Answer:
sqrt( 3 V / pi h) =r
Step-by-step explanation:
V = 1/3 pi r^2 h
Multiply each side by 3
3 V = 1/3 pi r^2 h*3
3 V = pi r^2 h
Divide each side by pi h
3 V/ pi h = pi r^2 h/ pi h
3 V/ pi h = r^2
Take the square root of each side
sqrt( 3 V / pi h) = sqrt(r^2)
sqrt( 3 V / pi h) =r
