A hemisphere and a cone have equal ba...

A hemisphere and a cone have equal bases. If their heights are also equal, then the ratio of their curved surfaces will be (a) 1 : 2 (b) 2 : 1 (c) `1\ :sqrt(2)` (d) `sqrt(2)\ :1`

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RD SHARMA ENGLISH-SURFACE AREAS AND VOLUMES-All Questions

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