Question

a cylinder ,a cone and a sphere are of same radius and same height find the ratio of their CSA​

Answer 1

Step-by-step explanation:

2×PI×R×H:PI×R×l:4/3×PI×R =2H:l:4/3R

Answer 2

Answer:

Step-by-step explanation:

ANSWER

CSA of sphere is 4πr2

CSA of cylinder is 2πrh

CSA of cone is πrl=πr \|r^2 +h^2

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Ratio will be 4πr^2 : 2πrh: πr \|r^2+h^2

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=4r:2h:\|r^2+h^2