Page 263 - ABCTE Study Guide_Neat

The volume of a sphere is given by the formula , where r is the radius of the sphere.

Let's try a practice question and then we'll look at some other examples of these formulas.

Question

What is the volume of a sphere of radius 3 cm? Round your answer to the nearest cubic centimeter.

3
A 12π cm

3
B 24π cm

3
C 36π cm

3
D 108π cm

Answer

Choice C is the correct answer. The volume of the sphere is given by the formula . Plug 3 in for
the radius and solve.