Question

A right cone has a volume of 471 and a height of 18. What is the radius?

Answer 1

\[V=Pir^2h/3\]
\[471=(3.14*r^2*18)/3\]
\[471=56.52r^2/3\]
\[471*3=56.52r^2\]
\[1413=56.52r^2\]
\[1413/56.52=r^2\]
\[25=r^2\]
R=5

Sorry. This isn't my best work. Really tired. I'm going to sleep.
I hope this help!

Answer 2

It helps a lot, Thank you.