The surface area of the triangular prism is the. The area of the rectangular faces can be found by multiply the base and height lengths together. 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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To find the surface area of a triangular prism use the formula Surface Area L 2B where L is the lateral area and B is the area of the base. A triangular prism has three rectangular sides and two triangular faces. Lets take a look at a triangular prism again and figure out a formula for this surface area. All fields are required.