Question

A sphere and a right cylinder have the same radius and volume. The cylinder has a height of 3 inches. Find the radius

Answer 1

Answer:

$r=\frac{9}{4}$ inches

Step-by-step explanation:

equate volume of sphere and cylinder:

$\frac{4}{3}\pi r^{3} = \pi r^{2} * 3\\\\\frac{4}{3}r=3\\\\r=\frac{9}{4}$