Question

Find the surface area of a square pyramid with length 9 ft and slant height 12 ft.

A. 90 ft2
B. 45 ft2
C. 171 ft2
D. 297 ft2

Answer 1

D. 297 ft^2

Explanation:

SA = 4( 1/2 ) (9)(12) + (9)(9)

SA = 297 ft^2