Q. 45.0( 2 Votes )

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Answer :

Given, Radius of a right circular cone(r) is 56 cm.
Curved surface area of a right circular cone is 12320 cm2
πrl = 12320
× 56 × l  = 12320
l = = 70
Height of the cone = === 42
Therefore the height of a right circular cone is 42 m.

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