Question

What is the volume of a square pyramid with base edges of 90 yards and a height of 20 yards?

36,000 yd3

162,000 yd3

54,000 yd3

1,800 yd3

Answer 1

\[V = \dfrac{b \times b \times h }{3}\]

Answer 2

volume =1/3 x base area x height =1/3 x r^2 x h = 1/3 x 90^2 x 20 = 54000