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how to calculate surface area of a triangular prism formula. Total Surface Area of a Triangular Prism Formula Finds the total area of all sides of a triangular prism. As stated above the prism contains two triangles of the area 12bh and three rectangles of the area Hs1 Hs2 and Hs3.
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For finding that out we need the height side and base length. A t o t A t o p A b o t A l a t. To calculate the surface area you need to take the sum of the areas of each side.
A triangular prism is a stack of triangles so the usualy triangle solving rules apply when calculating the area of the bases.
The perimeter gives you the sum of all three bases. Formula to find the surface area of a triangular prism The Surface Area 2 B p h. The surface area formula for a triangular prism is 2 height x base 2 length x width1 length x width2 length x base as seen in the figure below. The surface area of a rectangular prism is the total area of all six faces.
