Factor Out the Requested Common Factor $\mathrm { V }$ And a Height

Multiple Choice

Factor out the requested common factor.
-The radius required for a cone to have a volume $\mathrm { V }$ and a height $\mathrm { h }$ is given by the equation
$$\mathrm { r } = \left( \frac { 3 \mathrm {~V} } { \pi \mathrm { h } } \right) ^ { 1 / 2 }$$
Find the necessary radius to have a cone with the $\mathrm { V } = 1256$ cubic inches and $h = 3$ inches. Use $\pi \approx 3.14$ and round the nearest whole number.

A) 25 inches
B) 20 inches
C) 195 inches
D) 200 inches