Math, asked by Kaushal9239, 10 months ago

The areas of 2 circle are in the ratio of 4 is to 9.Find ratio of their circumferences

Answers

Answered by Tanu060105

4

ratio in area = 4:9

ratio of radius = 4πr²/9πR²

= 4r²/9R²

= √4r²/√9R²

= 2r/3R

= 2:3

ratio in circumference = 2πr/2πR

= 2r/3R

ratio of circumference = 2 :3

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