Find the curved surface area of a cone with base radius 5.25 cm and slant height 10cm
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Given :- cone
R = 5.25 cm
L = 10 cm
C.S.A of cone = πrl
= 22/7×5.25×10
= 22×0.75×10
= 22×7.5
= 165
therefore, the C.S.A of cone is 165 cm²
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