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Two solid right circular cones have the ...

Two solid right circular cones have the same height and radii `r_(1)` cm and `r_(2)` cm. They are melted and recast into a right circular cylinder of the same height. Then, the radius of the cylinder is ......... cm.

A

`(r_(1)^(2)+r_(2)^(2))/(3)`

B

` sqrt((r_(1)^(2)+r_(2)^(2))/(3))`

C

`sqrt(r_(1)^(2)+r_(2)^(2))`

D

`sqrt(r_(1)r_(2))`

Text Solution

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The correct Answer is:
A, B, C
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