Math CentralQuandaries & Queries


Question from Jhezelle, a student:

What is the formula of finding the surface area of a triangular pyramid?

A pyramid is a geometric solid with one base that is a polygon and all other faces are triangles with a common vertex. A triangular pyramid has a triangular base so the surface is composed of four triangles. The surface area of a triangular pyramid is hence the sum of the areas of the four triangles that form its surface.


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