Question

Find the curved surface area of a cylinder given its base circumference is 36 cm and its height is 4 cm.

Answer 1

Answer:

C.S.A. of cylinder =4400 sq. cm.

⇒2πrh=4400

⇒(110)h=4400

⇒h=

110

4400

=40 cm

Height =40 cm

Circumference of base of cylinder 110 cm

⇒2πr=110

⇒2×

7

22

×r=110

⇒r=

2

35

⇒r=17.5 cm

Diameter 2r=2(

2

35

)=35 cm

Answer 2

i hope this answers is right