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28/07/2021 9:52 am
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Diameter of the base of a cone is 10.5 cm and its slant height is 10 cm. Find its curved surface area (Assume π=22/7)
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28/07/2021 10:02 am
Radius of the base of cone = diameter/ 2
= (10.5/2) cm = 5.25 cm
Slant height of cone, say l = 10 cm
CSA of cone is = πrl
= (22/7) × 5.25 × 10 = 165
Therefore, the curved surface area of the cone is 165 cm2.