Page 262 - ABCTE Study Guide_Neat

The volume of a cone is given by the formula , where r is the radius of the circular base and h is
the height.

Question

What is the volume of a cone whose height and radius each equal 1 yd? Give your answer in terms
of and round to the nearest cubic meter.

A
3
yd

B
3
yd

3
C π yd

3
D 3π yd

Answer

Choice A is the correct answer. The volume of the cone is given by the formula , where r = 1 yd
and h= 1 yd. The volume of the cone is

Spheres

Recall that everything about a sphere depends on its radius. Also recall that volume is measured in cubic
units. These two facts take us some of the way to the formula for the volume of a sphere.