2. A cone, hemisphere and a cylinder stand on the sarne base and have equal height. Find the ratio of their:
(a) Curved surface areas.
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2. A cone, hemisphere and a cylinder stand on the sarne base and have equal height. Find the ratio of their:
(a) Curved surface areas.
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Given that cone, hemisphere and cylinder have equal base and same height
That is r = h Volume of cone :
Volume of hemisphere : Volume of cylinder