Question

A right circular cylinder and a cone have equal bases and equal heights. If their curved surface areas are in the ratio 8:5 show that the ratio between radius of their bases to their height is 3:4

Answer 1

hey
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given
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radius of cone = radius of cylinder

height of cone = height of cylinder

CSA of cone =πrl

CSA of cylinder = 2πrh

now see the attached file

any doubts ask me

hope helped
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Answer 2

Answer:

A right circular cylinder and a cone have equal bases and equal heights. If their curved surface areas are in the ratio 8:5 show that the ratio between radius of their bases to their height is 3:4...