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