Find the volume,CSA,TSA of right circular cone the radius of whose base is 21cm and height is 28cm solution
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CSA = πrl
= 22/7×21×35
= 2310 cm²
TSA = 22/7×21(35+21)
= 3× 56 × 22
= 3696 ans.
= 22/7×21×35
= 2310 cm²
TSA = 22/7×21(35+21)
= 3× 56 × 22
= 3696 ans.
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1
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