Question

A tower has a cone-shaped attic. The diameter of the attic is 18 ft and its height is 18 ft.

Answer 1

Height of a cone-shaped attic:
h = 18 ft,
d = 18 ft,  
r = 18: 2 = 9 ft
V = r² π h / 3 =
= 9² π · 18 / 3 = 81 π · 6 = 486 π ft³
Answer:
The volume of the space in the attic is 486 π ft³.