Question

Find the surface area of the pyramid represented by this net.

Answer 1

SA = 189 cm²

Explanation:

Surface area of the pyramid = 4·A of triangle + A square

SA = 4·(b· h/2) + side²

SA = 4·(7·10/2) + 7²

SA = 4· 35 + 49

SA = 140 + 49

SA = 189 cm²