If the base radius and height of a right...

If the base radius and height of a right circular cone are 2R and H respectively, then the area of total surface of the cone is

`PiR(R + sqrt(H^2 +R^2))`

`2PiR(R + sqrt(H^2 +R^2))`

`2PiR(2R + sqrt(H^2 +4R^2))`

`2PiR( sqrt(H^2 +2R^2) + 2R)`

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UNITED BOOK HOUSE-Right Circular Cone-Exercise

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