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CBSE Class 9 Answered

The circumference of the base of a right circular cylinder is 66 cm. If the height of the cylinder is 2 m, find the lateral surface area (curved surface area) of the cylinder.
Asked by Topperlearning User | 12 Oct, 2017, 08:15: AM
answered-by-expert Expert Answer

Given: Circumference of the base of the cylinder = 66 cm

2πr = 66 cm, where r is the radius of the cylinder.

Height (h) = 2 m = 200 cm

Let S denote the lateral surface area of the cylinder.

 

begin mathsize 12px style straight S space equals space 2 πrh straight S space equals space 66 cross times 200 straight S space equals space 13200 space cm squared end style


Answered by | 12 Oct, 2017, 10:15: AM

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