Ifthe length of radii of two solid right circular cylinder are in the – InterviewSolution

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1.

Ifthe length of radii of two solid right circular cylinder are in the ratio 2:3 and theirheights are in the ratro 5:3, then ratio of their lateral surfaces is

Answer»

Let the radii be 2x and 3xlet the height be 5y and 3y

Ratio of Lsa = 2πrh/2πRH

= 2x*5y/3x*3y

= 10/9

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