MCQ - 125-11977

Correct Answer: D

Explanation:

The only tricky part here is remembering the formula for the volume of a cone. If you don't remember the formula for the volume of a cone, you can derive it from the volume of a cylinder. The volume of a cone is simply 1/3 the volume of the cylinder. Then,

${\displaystyle volume=\frac{\mathrm{\pi <!--\; \pi \; -->}{r}^{2}h}{3}=\frac{\mathrm{\pi <!--\; \pi \; -->}\cdot <!--\; \cdot \; -->6^2\cdot <!--\; \cdot \; -->7}{3}=84\mathrm{\pi <!--\; \pi \; -->}}$