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Question

The diameter of a cylinder is 12 m and its height is 10 m. Find the curved surface area of a cylinder.
  1. 240πcm2
  2. 220πm2
  3. 120πm2
  4. 230πmm2

A
120πm2
B
220πm2
C
240πcm2
D
230πmm2
Solution
Verified by Toppr

Curved surface area of cylinder is A=2πrh

Here, the diameter is 12 m and therefore, the radius is half of diameter that is r=6 m and height is 10 m.

Thus,

A=2πrh=2×π×6×10=120π m2

Hence, the curved surface area of the cylinder is 120π m2.

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