Question

The volume of a right circular cylinder is 1100 cm3 and the radius of its base is 5 cm. Calculate its curved surface area.

(A) 410 cm2 (B) 125 cm2 (C) 440 cm2​

Answer 1

Answer: A

Step-by-step explanation: πr2 h = 1100 cm³

Here r = 5

(22/7) ⋅ (5)2 ⋅ h = 1100

h = 2/7

Curved surface area of cylinder = 2 πr h

= 2 ⋅ (22/7) ⋅ 5 ⋅ (2/7)

= 440 cm²

So, the curved surface area of cylinder is 440 cm²

Answer 2

c

Explanation:

t r r rt t t 4 4. 54. 54. 54 4. rr. rt t. t