Question

Question content area top
Part 1
Find the surface area of the pyramid.
16 ft
13 ft
13 ft
Question content area bottom
Part 1
The surface area is
  
enter your response here
▼
ft squared .
ft cubed .
ft.
​(Type a whole number or a​ decimal.)

Answer 1

Assuming the pyramid has a square base of side 16 ft and slant height 13 ft, the surface area = base area + lateral area.

Base area = 16^2 = 256 ft^2.
Lateral area = 1/2 · (perimeter) · (slant height) = 1/2 · (4·16) · 13 = 32 · 13 = 416 ft^2.

Total surface area = 256 + 416 = 672 ft^2.