Math, asked by snehachengaloor9208, 11 months ago

The ratio of radii of 2 cylinder is 6:7 and their height are in the ratio of 5:9 the ratio of their respective curved surface area is

Answers

Answered by Lohith154

0

Curved surface area=2πrh

Let constant of proportionality of radii=X

Let constant of proportionality of height=y

R1=6x

R2=7x

H1=5y

H2=9y

Cs1/cs2=2π6x5y/2π7x9y

Cs1/cs2=30xy/63xy

Cs1/cs2=10/21

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