Question

the L.S.A of cylinder is equal to C.S.A area of a cone If their base be the same find the ratio of the height of cylinder to slant of the cone

Answer 1

Answer:

Let, the lateral surface area of cylinder be 2πr1h

curved surface area of cone =πr2l

Given:

2πr1h=πr2l

also r1=r2

Therefore,

2h=l

h/l= 1/2

Answer 2

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