A construction company poured a cylindrical shaped concrete column 15 feet long with a radius of 3 feet. How much concrete did it take to make the column, in terms of π?

Responses
A 125π ft3
125π ft 3
B 130π ft3
130π ft 3
C 135π ft3
135π ft 3
D 140π ft3

1 answer

The formula to calculate the volume of a cylinder is V = πr^2h, where r is the radius and h is the height.

In this case, the radius is 3 feet and the height is 15 feet.

V = π(3^2)(15)
= π(9)(15)
= 135π

Therefore, the amount of concrete used to make the column is 135π ft3.

The correct answer is C) 135π ft3