the curved surface of a right circular cone is 47 1/7cm ^2 and the area of the surface of the sphere having the same radius is 113 1/7 cm^2 find out the slant height of the cone
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Answer:
Given :
r=5cm,l=14cm
Curved surface area of cone=πrl
=
7
22
×5×14
Curved surface area of cone =220 cm
2
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