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A cone, hemispheres and a cylinder stand s on the same base and have equal height.find the ratio of their:(a) volumes (b) curved surface area

A cone, hemispheres and a cylinder stand s on the same base and have equal height.find the ratio of their:(a) volumes (b) curved surface area

Grade:7

1 Answers

Vikas TU
14149 Points
3 years ago
Dear Student,
let base radius = r
       Let height = h
       Ratio of volumes = 1/3 πr^2h : 2/3 πr^3 : πr^2h
= h/3 : r : h
Ratio of curved surface areas = πrl : 2πr^2 : 2πrh
= √(h^2+r^2) : 2r : 2h 
Cheers!!
Regards,
Vikas (B. Tech. 4th year
Thapar University)

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