The curved surface area of a right circular cone of base radium 5 cm and vertical height 12 cm is
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Ans: 204.1(cm)^2
Given , Radius = 5cm
height = 12cm
slant height = √ r^2 + h ^2
= √ (5)(5) +(12)(12)
= √ 25 + 144
= √169 =13
curved surface area = π r l
= 3.14 x 5 x 13= 204.1 (cm)^2
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204.1(cm)..............
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