Question 194666
Volume  of  Cylinder  = Area  of  base * Height = B*h
,
500 = pi * r^2 * h  = pi * r^2 * 10
,
r^2 = 500 / (10pi) = 15.915
,
r=  3.989 = 4.0 cm
,
check
v=Bh = pi * (4^2) *10 = 502.7,,,,,ok