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A Metallic Hemisphere is Melted and Recast in the Shape of a Cone with the Same Base Radius R as that of the Hemisphere. If H is the Height of the Cone, Then Write the Values of H R . - Mathematics

Answer in Brief

A metallic hemisphere is melted and recast in the shape of a cone with the same base radius R as that of the hemisphere. If H is the height of the cone, then write the values of \[\frac{H}{R} .\]

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Radius of the hemisphere = Radius of the cone.


Volume of the hemisphere `2/3 piR^3`


Volume of the cone `1/3 piR^2 H`

Volume of the hemisphere = volume of the cone

`2/3 piR^2  = 1/3 piR^2 H`

       `2R = H`  or `H/R = 2`

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RD Sharma Class 10 Maths
Chapter 14 Surface Areas and Volumes
Q 13 | Page 87
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