Lateral area of a triangular prism calculator

To calculate the surface area of the rectangular prism, calculate the area of each face and then add them together. ... Confusing lateral area with total surface area ... 230 \mathrm{~cm}^2 is the total surface area of the triangular prism. 6) The net can be folded into a cube. If the side length of one of the squares is 3 inches, ...

Lateral area of a triangular prism calculator. Surface Area of a Sphere formula is A = 4πr². Surface Area of a Cone formula is A = πr² + πr√ (r² + h²) Surface Area of Cylinder formula is A = 2πr² + 2πrh. Surface Area of a Rectangular Prism (Box) formula is A = 2 (ab + bc + ac) Surface Area of a Pyramid formula is A = l * √ (l² + 4 * h²) + l².

Lateral & total surface area of triangular prisms. Practice finding the lateral surface area and total surface area of a triangular prism using the formulas instead of nets. Created by Sal Khan.

Surface Area of a Sphere formula is A = 4πr². Surface Area of a Cone formula is A = πr² + πr√ (r² + h²) Surface Area of Cylinder formula is A = 2πr² + 2πrh. Surface Area of a Rectangular Prism (Box) formula is A = 2 (ab + bc + ac) Surface Area of a Pyramid formula is A = l * √ (l² + 4 * h²) + l².The surface area of a triangular prism is equal to the sum of the area of tree lateral surfaces and the two bases. The surface area is expressed in square units. The formula for the surface area of a triangular prism is written as: Surface area of a triangular prism S = (2 x Base area) + (Base perimeter x Height of the prism) S = 2A + PL.Examples. example 1: Find the total area of a regular triangular prism with a side of 8cm and a length of 10cm. example 2: Find the volume of a regular triangular prism with a base area of 12cm 2 and a lateral area of 18cm 2. example 3: Find the side of a regular triangular prism if the volume is and length of 4cm.Hexagonal Prism Calculation. Online calculator and formulas for calculating a hexagonal prism ... Base area \(\displaystyle A = 1.5 \cdot \sqrt{3} \cdot a^2 \) ... regular • Triangular prism • Hexagonal prism • Ramp • Wedge • Right Wedge • Rhombohedron • Anticube • Antiprism • Oblique prism • Tetragonal Trapezohedron ... The steps to determine the length of the rectangular face if its lateral area is known are: Step 1: Identify the given dimensions of the right triangular prism and let the length of the rectangular face is "l". Step 2: Now substitute the values in the formula, A = 3lb. Step 3: Solve for "l". Formula to find the surface area of a triangular prism is given by: where, b = Triangle base length. h = Triangle height. H = Prism height. S1 = Side 1 of the triangle. S2 = Side 2 of the triangle. S3 = Side 3 of the triangle. In the below online surface area of a triangular prism calculator, enter the above mentioned parameters in the input ...Formula. The formula to calculate the surface area of a triangular prism is as follows: Surface Area = bh + (s1 + s2 + s3)l. Where b is the area of the base, h is the height of the triangle, s1, s2, and s3 are the sides of the triangle, and l is the length of the prism.The surface area of a closed cylinder can be calculated by summing the total areas of its base and lateral surface: base SA = 2πr 2. lateral SA = 2πrh. total SA = 2πr (r + h) where r is the radius and h is the height. Jeremy has a large cylindrical fish tank that he bathes in because he doesn't like showers or bathtubs.

Surface area of a triangular prism. The surface area formula for a triangular prism is 2 * (height x base / 2) + length x width 1 + length x width 2 + length x base, as seen in the figure below: A triangular prism is a stack of triangles, so the usually triangle solving rules apply when calculating the area of the bases.The lateral area of a three-dimensional solid is the area of all the lateral faces. In this tutorial, you'll see how to use the dimensions of a rectangular prism to find the lateral area. Take a look! Virtual Nerd's patent-pending tutorial system provides in-context information, hints, and links to supporting tutorials, synchronized with videos ...Pentagonal Prism. Hexagonal Prism. The formula for determining the surface area of a pentagonal prism is defined as: S A = 5 ⋅ a ⋅ h + 5 ⋅ ( 5 + 2 ⋅ 5) 2 ⋅ a 2. S A: the surface area of the prism. a: the length of any side of the bases. h: the height of the prism. The SI unit of surface area is: s q u a r e m e t e r ( m 2)This calculator finds the missing value of a regular triangular prism given exactly two known dimensions. The calculator finds the length, side, base height, volume, surface …Formula. The formula to calculate the surface area of a triangular prism is as follows: Surface Area = bh + (s1 + s2 + s3)l. Where b is the area of the base, h is the height of the triangle, s1, s2, and s3 are the sides of the triangle, and l is the length of the prism.

To calculate the total surface area of the triangular prism, simply add together the areas of all its faces obtained in the previous steps. Start by adding the area of the two triangular bases. If the base triangle has a base of length b and a height of h, the area can be calculated using the formula: 0.5 * b * h.How does this rectangular prism calculator work? Depending on the figures to be solved for, this rectangular prism calculator uses the formulas explained here: If you choose to calculate the volume (V), area (A) and diagonal (d) of a rectangular prism you have to provide its length (l), width (w) and height (h): Volume (V) = l*w*hExample 1: finding the surface area of a triangular prism with a right triangle. Work out the surface area of the triangular prism. Work out the area of each face. The area of the triangle at the front is 1 2 × 12 × 5 = 30cm 221 × 12 × 5 = 30cm2. The back face is the same as the front face so the area of the back is also 30cm 230cm2.A triangular prism with equilateral triangular bases is a special type of three-dimensional geometric shape. In this unique form, both of the congruent triangular bases consist of equal sides and angles, creating a symmetrical and aesthetically pleasing structure. The lateral faces connecting the bases are parallelograms.

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The formula for the surface area of a triangular prism, where SA = total surface area, b = base of triangle, h = height of triangle, l = length of prism, and P = perimeter of triangular base, is ...Lateral Surface Area = 12(8) = 96 inches2 = 12 ( 8) = 96 inches 2. The general formula for the total surface area of a right prism is T.S.A.= ph+2B T. S. A. = p h + 2 B where p p represents the perimeter of the base, h h the height of the prism and B B the area of the base. There is no easy way to calculate the surface area of an oblique prism ... The surface area of a closed cylinder can be calculated by summing the total areas of its base and lateral surface: base SA = 2πr 2. lateral SA = 2πrh. total SA = 2πr (r + h) where r is the radius and h is the height. Jeremy has a large cylindrical fish tank that he bathes in because he doesn't like showers or bathtubs. Formulas for triangular prisms. The triangular prism volume (or its surface area) is usually what you need to calculate. These are the two most fundamental equations: volume = 0.5 * b * h * length. b: length of the base of the triangle. h: height of the triangle. length: prism length. area = length * ( a + b + c ) + (2 * base area)Max bought a light prism for his mom for Mother's Day. He wants to figure out how much wrapping paper is needed to wrap it. To do this, he needs to figure out the surface area of the gift. The triangular end has a base of 3 cm and height of 4 cm. The length of each side is 6 cm and the height of the prism (length of the rectangular side) is …

The Lateral Surface Area of Triangular Prism formula is defined as the quantity of plane enclosed by all the lateral surfaces (that is, top and bottom faces are excluded) of the Triangular Prism and is represented as LSA = (S a +S b +S c)*h or Lateral Surface Area of Triangular Prism = (Side A of Base of Triangular Prism+Side B of Base of ...It composes the required formula in the run time after gathering the values and that is why it is safe to say that it is also a surface area of a triangular pyramid formula calculator. Triangular Pyramid. Area of the base (A) = ½ * a * s. Surface Area of Pyramid = A + ((3/2) sl) Volume of Pyramid = (1/6) abh. Where, a = apothem length; s ...The lateral area of a rectangular prism is the sum of the area of the four lateral rectangles without taking into account the surfaces of the top and bottom rectangle (the bases). The lateral area of a rectangular prism can be calculated with the following formula: 2\times ah+2\times bh 2 × ah + 2 × bh. a= a = length. b= b = width.Example 1: Find the surface area of the equilateral triangular prism which has a height of 10 units and a side length of 6 units. Solution: The side length of the triangle (a) = 6 units. Length of the prism (h) = 10 units. The surface area of an equilateral triangular prism is = (√3a 2 /2) + 3 (a × h)A lot of classical roofs have the shape of a triangular prism, so calculating the volume of air below it might be useful if you are using the space as a living area. This type of roof has the best distribution of forces generated by the weight of …Example 2: Find the lateral surface area of the isosceles triangular prism if the base of the prism has sides 5 cm, 5 cm, and 10.4 cm and the length of the prism is 12 cm.. Solution: Given, perimeter of the isosceles triangle = 5 + 5 + 10.4 = 20.4 cm, length of the prism = 12 cm To find the lateral area of an isosceles triangular prism, we can multiply the …The main purpose of a tire sidewall is to provide lateral stability. You can learn more about the functions of a tire sidewall by reading this article. Advertisement The tire sidew... Lateral Surface Area = 12(8) = 96 inches2 = 12 ( 8) = 96 inches 2. The general formula for the total surface area of a right prism is T.S.A.= ph+2B T. S. A. = p h + 2 B where p p represents the perimeter of the base, h h the height of the prism and B B the area of the base. There is no easy way to calculate the surface area of an oblique prism ... The formula to calculate the total and lateral surface area of a triangular prism is given below: Lateral Surface Area (LSA) = (s1 + s2 + s3) × l, here, s1, s2, and s3 are …The procedure to use the surface area of a triangular pyramid calculator is as follows: Step 1: Enter the apothem length, side length, slant height in the respective input fields. Step 2: Now click the button “Calculate” to get the surface area. Step 3: Finally, the surface area of a triangular pyramid will be displayed in the output field.HowStuffWorks looks at whether strongly lateralized squirrels are less good at learning. Advertisement A study at the University of Exeter in January 2020 found that squirrels that...

Feb 27, 2024 · Triangular Prism Calculator. Enter the values for the base length, height, and length of the triangular prism. Select the desired units for each input (millimeters, centimeters, meters, kilometers, inches, feet, or yards). Click the "Calculate" button to perform the calculations. View the results for the volume, surface area, and lateral ...

Calculator online for a the surface area of a capsule, cone, conical frustum, cube, cylinder, hemisphere, square pyramid, rectangular prism, triangular prism, sphere, or spherical cap. Calculate the unknown defining side lengths, circumferences, volumes or radii of a various geometric shapes with any 2 known variables. Online calculators and …To calculate the lateral surface area triangular prism, the sides B, C and D are need to be added to calculate the area. Option A. is correct. The triangular prism is what? a triangle-shaped prism "a polyhedron with two triangular bases, three rectangular sides, and three angles. There are 9 vertices, 6 edges, and 5 faces ".How to Use the Pyramid Area Calculator. Our pyramid area calculator makes it easy to find the area of your pyramid. To use the calculator: Select the type of surface area you want to calculate (lateral surface area or total surface area) Enter the dimensions of your pyramid. Our calculator will automatically calculate the area of your pyramid.Formula. The formula to calculate the surface area of a triangular prism is as follows: Surface Area = bh + (s1 + s2 + s3)l. Where b is the area of the base, h is the height of the triangle, s1, s2, and s3 are the sides of the triangle, and l is the length of the prism.Apr 25, 2023 · The simple thing is add top, bottom, lateral surface areas of the triangular prism to get the result. Triangular Prism Height: Process 1: Observe the volume, sides of the triangle from the question. Multiply the sum of 3 sides, sum two sides subtracted from the third side. Apply square root to the product. Example 1: Find the surface area of the equilateral triangular prism which has a height of 10 units and a side length of 6 units. Solution: The side length of the triangle (a) = 6 units. Length of the prism (h) = 10 units. The surface area of an equilateral triangular prism is = (√3a 2 /2) + 3 (a × h)Lateral Surface Area of a Triangular Prism Formula. Finds the total area contained by the three rectangular sides of the prism. You can think of the lateral surface …The third rectangular face is 'c' and 'h'. Hence its area = ch. The lateral area for the triangular prism is the sum of all three areas. Thus, Lateral surface area of triangular prism (LSA) = ah + bh + ch (or) (a + b + c) h. We know that (a + b + c) is the perimeter of the base (triangle).

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Jan 18, 2024 · Lateral face area: Recall from the second section that the formula for the area of a triangle is area = (a × h) / 2. It seems that we've acquired all the information we needed to calculate the area of the pyramid's lateral face. Indeed, we get the following: lateral_face_area_over_a = (a × slant_height_onto_a) / 2 ≈ (6 × 13.342) / 2 = 40. ... SA = a2 + 2×a×l. 🔎 Proof: The surface area of a square pyramid is the sum of the areas of its square base and four triangular faces: SA = BA + (4 × FA) The area of a triangle is half of the product of its base length ( a) and height ( l ): FA = a×l/2. Lateral Surface Area = 12(8) = 96 inches2 = 12 ( 8) = 96 inches 2. The general formula for the total surface area of a right prism is T.S.A.= ph+2B T. S. A. = p h + 2 B where p p represents the perimeter of the base, h h the height of the prism and B B the area of the base. There is no easy way to calculate the surface area of an oblique prism ... How to Use the Pyramid Area Calculator. Our pyramid area calculator makes it easy to find the area of your pyramid. To use the calculator: Select the type of surface area you want to calculate (lateral surface area or total surface area) Enter the dimensions of your pyramid. Our calculator will automatically calculate the area of your pyramid.Surface area of a triangular prism. The surface area formula for a triangular prism is 2 * (height x base / 2) + length x width 1 + length x width 2 + length x base, as seen in the figure below: A triangular prism is a stack of triangles, so the usually triangle solving rules apply when calculating the area of the bases.Formula: V = B × h. where, B - Area of a Base. h - Height of the Prism. Calculate volume of an oblique prism using simple geometry prism calculator online. How to Use the Pyramid Area Calculator. Our pyramid area calculator makes it easy to find the area of your pyramid. To use the calculator: Select the type of surface area you want to calculate (lateral surface area or total surface area) Enter the dimensions of your pyramid. Our calculator will automatically calculate the area of your pyramid. The total surface area of a prism is the combined area of the 2 bases and the areas of the lateral faces. Since Lateral Surface Area (LSA) of a prism = Base perimeter x height. The lateral surface area is the area of all the faces except the bases. We can also write: Total Surface Area (TSA) = 2 × Base Area + LSA.How to Use the Pyramid Area Calculator. Our pyramid area calculator makes it easy to find the area of your pyramid. To use the calculator: Select the type of surface area you want to calculate (lateral surface area or total surface area) Enter the dimensions of your pyramid. Our calculator will automatically calculate the area of your pyramid. ….

Jan 24, 2024 · The total surface area of a triangular prism is the sum of the areas of all its faces: the three lateral faces (rectangles) and two bases (triangles). The most general formula for the surface area of any prism is: Total area = Lateral area + 2 × Base area The Triangular Prism Calculator is an efficient and user-friendly online tool. It helps you calculate the volume, surface area, and other properties of a triangular prism. With this tool, you can solve complex triangular prism problems in an instance. It's a reliable companion for students, teachers, and professionals alike!Apr 29, 2023 · A triangular prism consists of two congruent triangles at the ends, known as bases, connected by three parallelogram-shaped lateral faces. The concept of surface area has broad applications in various fields, including engineering, architecture, and design, where it is crucial to estimate material requirements, costs, and structural integrity. Example 1: Calculate the lateral surface area of a cuboid with dimensions of 8 units, 4 units, and 12 units respectively. ... The lateral area formula for a triangular prism is given by, Lateral Area = (a + b + c) × h, where (a + b + c) is the perimeter of the base of the prism and h is its height.I assume you mean the surface area, since a square pyramid is 3-dimensional. For a right square pyramid with base side length s and slant height L, the total surface area is the area of the square base with side length s, plus the total area of four triangles each with base s and altitude L. So the total surface area is s^2 + 4(1/2)(sL) = s^2 ...Volume of triangular prism & cube. Volume of a cone. Cylinder volume & surface area. ... For a cylinder there is 2 kinds of formulas the lateral and the total. the lateral surface area is just …The Triangular Prism Surface Area calculation! Formula: SA = bh + (s1 + s2 + s3)l. Where: SA is the surface area. b is the base of the triangle (in inches) h is the height of the triangle (in inches) s1, s2, s3 are the sides of the triangle (in inches) l is the length of the prism (in inches)It composes the required formula in the run time after gathering the values and that is why it is safe to say that it is also a surface area of a triangular pyramid formula calculator. Triangular Pyramid. Area of the base (A) = ½ * a * s. Surface Area of Pyramid = A + ((3/2) sl) Volume of Pyramid = (1/6) abh. Where, a = apothem length; s ... Lateral area of a triangular prism calculator, A triangular prism has a triangular base with sides measuring 5 cm, 9 cm, and 13 cm. The height of the triangular base is 15 cm, and the overall length of the prism is 25 cm. Calculate the lateral surface area of triangular prism. 4., Surface Area of a Sphere formula is A = 4πr². Surface Area of a Cone formula is A = πr² + πr√ (r² + h²) Surface Area of Cylinder formula is A = 2πr² + 2πrh. Surface Area of a Rectangular Prism (Box) formula is A = 2 (ab + bc + ac) Surface Area of a Pyramid formula is A = l * √ (l² + 4 * h²) + l²., Work out the volume of the triangular prism. Calculate the area of the triangular cross-section. The base of the triangle is 10 \ cm . ... The lateral surface area is the total area of the rectangular sides. The triangular faces of a triangular prism are congruent (exactly the same) but, unless the triangle is an isosceles triangle or an ..., Formula. The formula to calculate the surface area of a triangular prism is as follows: Surface Area = bh + (s1 + s2 + s3)l. Where b is the area of the base, h is the height of the triangle, s1, s2, and s3 are the sides of the triangle, and l is the length of the prism., The steps to calculate the surface area of a triangular prism are: 1. Find the area of the two triangular bases by using the formula: Area = (base * height) / 2. 2. Find the area of the three rectangular faces by multiplying the base length by the height. 3. , The lateral area is the area of the vertical faces, in case a prism has its bases facing up and down. Thus, the lateral surface area of prism = base perimeter × height The total surface area of a Prism = Lateral surface area of prism + area of the two bases = (2 × Base Area) + Lateral surface area or (2 × Base Area) + (Base perimeter × height)., The headlights on a freightliner truck can typically be adjusted using a vertical adjustment screw. The lateral position of the headlights is typically fixed. Whenever you replace ..., Example 1: how to find the surface area of a right triangular prism. Calculate the surface area of the triangular prism. Calculate the area of each face. The area of the triangle at the front is \cfrac {1} {2} \times 12 \times 5=30 \mathrm {~cm}^2 21 × 12 × 5 = 30 cm2. The back face is the same as the front face so the area of the back is ... , Q1. Calculate the surface area of the following cylinder. Let the pi be $π$. A1: Answers. (a) First, let’s calculate the side area. The length of the triangular prism’s surround is $3+4+5=12$ cm. And the vertical length is 8 cm. Therefore, the side area is as follows. $12×8=96$ Then calculate the base area., Before you pack your bags to relocate, you may want to consider which states have the highest chance for natural disasters. Get top content in our free newsletter. Thousands benefi..., Surface Area of Triangular Prism Calculator. Added May 9, 2012 by rwlmath in Mathematics. Enter in lengths on prism. NOTE: You have to enter the base of the triangle twice. Send feedback | Visit Wolfram|Alpha. Get the free "Surface Area of Triangular Prism Calculator" widget for your website, blog, Wordpress, Blogger, or iGoogle., The Lateral Surface Area of Triangular Prism formula is defined as the quantity of plane enclosed by all the lateral surfaces (that is, top and bottom faces are excluded) of the Triangular Prism and is represented as LSA = (S a +S b +S c)*h or Lateral Surface Area of Triangular Prism = (Side A of Base of Triangular Prism+Side B of Base of ..., To calculate the lateral surface area triangular prism, the sides B, C and D are need to be added to calculate the area. Option A. is correct. The triangular prism is what? a triangle-shaped prism "a polyhedron with two triangular bases, three rectangular sides, and three angles. There are 9 vertices, 6 edges, and 5 faces "., Use the simple geometry calculator to calculate the surface area of a right prism online. Geometry Prisms - Definitions. A Prism is a polyhedron with two congruent polygonal faces that lie in parallel planes.; The Bases are the parallel polygonal faces.; The Lateral Faces are the faces that are not bases.; The Lateral Edges are the edges …, The formula is: The formula to calculate the surface area of a triangular pyramid also includes its lateral surface area (LSA). Lateral Surface Area (LSA) = 1 2 P s, here P = base perimeter, s = slant height. ∴ Total Surface Area (TSA) = B + LSA. Let us solve some example to understand the above concept better., The formula for finding the surface area of a triangular prism is given as: A = bh + L (s1 + s2 + s3) Where A is the surface area, b is the bottom edge of the base triangle, h is the height of the base triangle, L is the length of the prism, and s1, s2, and s3 are the three edges of the base triangle. Figure 1 - Triangular Prism Surface Area ..., The lateral surface area refers to the total area of the lateral (or side) faces of a three-dimensional shape, excluding the top and bottom faces. It is calculated by multiplying the perimeter of the base by the height. The lateral surface area provides the measure of the material needed to cover the sides of the shape., The following organizations are good resources for information on amyotrophic lateral sclerosis: The following organizations are good resources for information on amyotrophic later..., Triangular Prism Surface Area Calculator. You can calculate the lateral surface area and the total surface area of the triangular prism by inputting the required value for the calculation. The variables in the calculator include. First Edge Length (S1) Length of the 1st side of the Triangular Base., Proof of Heron's formula (2 of 2) Unit test. Test your understanding of Volume and surface area with these NaN questions. Start test. Volume and surface area help us measure the size of 3D objects. We’ll start with the volume and surface area of rectangular prisms. From there, we’ll tackle trickier objects, such as cones and spheres., A triangular prism has nine edges. It consists of a triangular base, a translated copy of the base and three quadrilaterals, for a total of five faces and six vertices. A triangula..., The total surface area of a triangular prism is the sum of the lateral surface area and twice the area of the triangular base. A triangular prism has triangles at its base, whereas a rectangular prism has rectangles. A right triangular prism is one where the sides are rectangles, which are congruent to each other., Also, the height, h, of the trapezoidal prism is 3 m. Calculate the volume of a trapezoidal prism. The last step is to calculate the volume of the trapezoidal prism using the formula: ((b + B) / 2) × h × ℓ. Thus, the volume of the trapezoidal prism is ((5 m + 5 m) / 2) × 5 m × 3 m = 75 m³., Example of Area of Trapezoidal Prism Calculator. Let’s consider a practical example. Suppose we have a trapezoidal prism with a shorter base (a) of 5 meters, a longer base (b) of 8 meters, heights (h1 and h2) of 3 meters each, and a lateral side length (c) of 4 meters. Plugging these values into the calculator, we get:, Triangular Prism Surface Area Calculator. You can calculate the lateral surface area and the total surface area of the triangular prism by inputting the required value for the calculation. The variables in the calculator include. First Edge Length (S1) Length of the 1st side of the Triangular Base., A = A(base) + A(lateral) = A(base) + 4 * A(lateral face) The base refers to the square shape, therefore: A(base) = l². When you calculate the lateral surface area, begin with the area of one of the triangular faces. To find …, Calculate the rectangular prism surface area. First rectangle area is 15in × 12in = 180in², second 15in × 18in = 270in² and third one 18in × 12in = 216in². Add all three rectangles' areas - it's equal to 666 in² ( what a number!) - and finally multiply by 2. The surface area of our cardboard box is 1332in². Or save yourself some time ..., Jan 18, 2024 · Lateral face area: Recall from the second section that the formula for the area of a triangle is area = (a × h) / 2. It seems that we've acquired all the information we needed to calculate the area of the pyramid's lateral face. Indeed, we get the following: lateral_face_area_over_a = (a × slant_height_onto_a) / 2 ≈ (6 × 13.342) / 2 = 40. ... , The total surface area of a triangular prism is the sum of the lateral surface area and twice the area of the triangular base. A triangular prism has triangles at its base, whereas a rectangular prism has rectangles. A right triangular prism is one where the sides are rectangles, which are congruent to each other., The Lateral Surface Area of Triangular Prism formula is defined as the quantity of plane enclosed by all the lateral surfaces (that is, top and bottom faces are excluded) of the Triangular Prism and is represented as LSA = (S a +S b +S c)*h or Lateral Surface Area of Triangular Prism = (Side A of Base of Triangular Prism+Side B of Base of ..., Example 1: how to find the surface area of a right triangular prism. Calculate the surface area of the triangular prism. Calculate the area of each face. The area of the triangle at the front is \cfrac {1} {2} \times 12 \times 5=30 \mathrm {~cm}^2 21 × 12 × 5 = 30 cm2. The back face is the same as the front face so the area of the back is ... , Formulas. The general formula is: Surface Area (SA) = B + 1 2 P s, here B = base area, P = base perimeter, s = slant height, Also 1 2 P s = lateral surface area ( LSA) ∴ SA = B + LSA. However, there are specific formulas to calculate the surface area of different pyramids. They are given below:, Pentagonal Prism. Hexagonal Prism. The formula for determining the surface area of a pentagonal prism is defined as: S A = 5 ⋅ a ⋅ h + 5 ⋅ ( 5 + 2 ⋅ 5) 2 ⋅ a 2. S A: the surface area of the prism. a: the length of any side of the bases. h: the height of the prism. The SI unit of surface area is: s q u a r e m e t e r ( m 2)