Question

the total surface area of a solid cylinder is 968cm^2 . if the curved surface area of the cylinder is 660 cm^2 . find the height and volume of the cylinder?

Answer 1

Area of the base= 968-660/2
=154

area=pi×r^2
154=22/7×r^2
154×7/22=r^2
49=r^2
root 49=r
7=r

radius is 7cm

Curved S area= 2×pi×r×h
660=44/7×7h
660/44=h
15=h

height is 15cm

volume=pi×r^2×h
V=22/7×49×15
=22×7×15
=2310cm^3