Question

The CSA of a right circular cylinder, whose base radius 7/2cm and height 4cm is
44sq cm
88sq cm
66sq cm
11sq cm

give ans only

Answer 1

Radius=7/2cm

Height=4cm

CSA of right circular cylinder =2πrh

$\: \: \: \: \: \: \: \: \: = 2 \times \frac{22}{7} \times \frac{7}{2} \times 4$

= 88cm²