Let us solve some examples to understand the concept better. ![]() Total Surface Area ( TSA) = ( b × h) + ( s 1 + s 2 + s 3) × l, here, s 1, s 2, and s 3are the base edges, h = height, l = length Base length of the triangular prism 40 units. Solution: Height of the triangular prism 60 units. The formula to calculate the TSA of a triangular prism is given below: Example 1: Find the base area of the triangular prism whose base triangle has the height 60 units and base length 40 units. The total surface area (TSA) of a triangular prism is the sum of the lateral surface area and twice the base area. Lateral Surface Area ( LSA ) = ( s 1 + s 2 + s 3) × l, here, s 1, s 2, and s 3 are the base edges, l = length Total Surface Area The formula to calculate the total and lateral surface area of a triangular prism is given below: Formula to find the volume of a triangular prism The volume of a rectangular prism can be found by multiplying the area of the base times the length of the height of the prism. The lateral surface area (LSA) of a triangular prism is the sum of the surface area of all its faces except the bases. It is expressed in square units such as m 2, cm 2, mm 2, and in 2. The Corbettmaths Practice Questions on the Volume of a Prism. Next: Volume of a Cylinder Practice Questions. The surface area of a triangular prism is the entire space occupied by its outermost layer (or faces). Previous: Volume of a Cuboid/Cube Practice Questions. Like all other polyhedrons, we can calculate the surface area and volume of a triangular prism. ![]() So, every lateral face is parallelogram-shaped. A general formula is volume length basearea the one parameter you always need to have given is the prism length, and there are four ways to calculate the base - triangle area.
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