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Question

The diameter of a cylinder is 28cm and its height is 20cm find the curved surface area.
  1. 1760sq.cm
  2. 17600sq.cm
  3. 1706sq.cm
  4. none of these

A
1706sq.cm
B
17600sq.cm
C
1760sq.cm
D
none of these
Solution
Verified by Toppr

Diameter of the cylinder=28cm

Radius of the cylinder=r=282=14cm

Height of the cylinder=h=20cm

Curved surface area=2πrh=2×227×14×20=1760sq.cm

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