Question

the radii of two cylinders are in the ratio 3 is to 4 find their height is 10 centimetre each find the ratio of the curved surface area​

Answer 1

this is the required answer

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Answer 2

let The Radii of the cylinders be 3x cm & 4x cm and we have, height= 10cm

Ratio Of CSA(Cylinders):-

CSA(Cylinder 1) : CSA(Cylinder 2)

2πrh : 2πRh

r : R

3x : 4x

3 : 4

Ans:- ratio of the curved surface areas of the two cylinders is 3 : 4