A pyramid is made of a square base and four equilateral triangles. The square has sides of $10$ cm

Question

A pyramid is made of a square base and four equilateral triangles. The square has sides of $10$ cm. Find the area of one triangular face of the pyramid, the total surface area of the pyramid.

Accepted Answer

(a) $43.3\text{ cm}^2$ (b) $273\text{ cm}^2$

Surface Area of a Pyramid with Equilateral Triangular Faces

Surface Area of a Pyramid with Equilateral Triangular Faces

Video Solution:

Solution:

Solution locked