Question

The length of the base of a square pyramid is 9 inches. The slant height is 12 inches. What is the surface area of the pyramid?

A)189 in2

B)225 in2

C)297 in2

D)360 in2

Answer 1

Formula:

\(SA_{square~pyramid} = b^2 + 2 \times b \times s\)

Where 'b' is the length of the base, and 's' is the slant height.

\(SA_{square~pyramid} = 9^2 + 2 \times 9 \times 12\)

Simplify

Answer 2

thanks!

Answer 3

i get 297