Question

The surface area of this pyramid is 189cm squared The area of the square base is 49cm squared. What is the area of one triangular face of the lateral surface? Show the steps of your solution and explain your work

Answer 1

S.A of the Pyramid = B + Lateral S.A;

B = Area of the base

You are given S.A and B Can you find the Lateral S.A.?

Answer 2

After that you have 4 lateral face. So you can find the Area of one face.