Diameter of the baae of a cone is 10.5cm ad its slant height is 10cm find the curved surface area
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curved surface area = 2 π rh
= 2 x 22/7 x 10.5/2 x 1/10 x 10
=44/7 x 105/2 x 10
= 44/7 x 5.1 x 10
= 320.57
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