Question

the area of the base of a right circular cylinder is 154 cm2 and height is equal to 7 cm find its volume

Answer 1

Area of base( circle )=154cmsq.
For radius,
πrsq.=154
22/7 * r2=154
r2=154 * 7/22
r2= 49
r=7cm
height=7cm
Area of cylinder =πr2h
=22/7 *7*7*7
Area of cylinder=1078cmcu.