Question

The cylinder below has a volume of 1,538.6 cubic inches. What is the radius of the cylinder? (Use 3.14 for π.)

Answer 1

\[Volume = \pi r^2 h\]
\[1538.6 = \pi r^2(10)\]
\[153.86 = \pi r^2\]
\[\frac{153.86}{\pi} = r^2\]
\[\sqrt{\frac{153.86}{\pi}} = r\]
got it?