Question

The volume $\left({\text{in cm}}^3\right)$ of a right circular cone of height $12$ cm and base radius $6$ cm is

• A. $12\pi$
• B. $36\pi$
• C. $72\pi$
• D. $144\pi$

Answer 1

The correct option is D $144\pi$

$V=\frac{1}{3}\pi r^{2}h=\frac{1}{3}\pi \times 6^2\times 12=144\pi$