Question

the area of two circule are in ratio 25:36 find the ratio their circumference​

Answer 1

Answer:

let R be the radius of bigger circle

let R be the radius of bigger circle let r be the radius of smaller circle

let R be the radius of bigger circle let r be the radius of smaller circle ratio of areas of two circle= 25:36

let R be the radius of bigger circle let r be the radius of smaller circle ratio of areas of two circle= 25:36therefore

πr²/πR²=25/36

r²/R²=25/36

taking square root on both sides

r/R=5/6..............…....………1

ratio of circumference =2πr/2πR

=r/R

=5/6...........................from 1

therefore the ratio of the circumference is 5:6

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