Question

Use a formula to find the surface area of the square pyramid.

(1 point)
45 ft2
81 ft2
36 ft2
72 ft2

Answer 1

You need the area of the square base added to the area of the 4 triangular sides.
A = b^2 + 2bh
Where b = length of base and h = height of side triangle.
In your case, b = 3 ft and h = 6 ft.