Lateral surface of the cylinder = 94.2 cm2
Height of the cylinder = 5 cm
Let ‘r’ be the radius.
(i) Lateral surface of the cylinder = 94.2 cm2
2πrh = 94.2
or 2 x 3.14 x r x 5 = 94.2
or 31.4 x r = 94.2
or r = 3 cm
(ii) Volume of the cylinder = πr2h
= (3.14 x 32 x 5) cm3
= 141.3 cm3