Question

volume of cylinder is 770m3. find radius of the base if its height is 20m

Answer 1

Step-by-step explanation:

volume of cylinder = πr^2h

770 =22/7×r^2×20

770×7/22=r^2×20

35×7/20=r^2

245/20 r^2

√12.25 =r

r= 3.5cm