A cone, hemisphere and a cylinder stand on the same base and have eaual height. Find the ratio of there: a) volumes, b)curved surface areas
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= vol of cone : vol of hemisphere : vol of cylinder
= 1/3 πr^2h : 2/3 πr^3 : πr^2h
= 1/3 : 2/3 : 1
= 1 : 2 : 3
--> CSA of cone : CSA of hemisphere : CSA of cylinder
= π rl : 2π r^2 : 2πrh
= l : 2r : 2h
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= 1/3 πr^2h : 2/3 πr^3 : πr^2h
= 1/3 : 2/3 : 1
= 1 : 2 : 3
--> CSA of cone : CSA of hemisphere : CSA of cylinder
= π rl : 2π r^2 : 2πrh
= l : 2r : 2h
please mark as brainliest if u find it useful!!!
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