Can you please check this alegebra equation? easy points?

Question

V= ∏ x (r x r) x h

Find r.

heres wht i got:

√r = √V/∏h

is that right?

Answer 1

you have V = π r² h----> r² = V /[ π h]-----> r = √ ( V/[πh] )...really ± but since r is a positive number the answer you have is valid....π is " alt 227"