# If the circumference of One circle is 7 time of the circumference of other circle what will be ratko of the areas

2
by div234

2015-02-07T15:41:03+05:30

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Let the circumference of circle1 is 7 time of the circumference of circle2
circumference of circle1 =
circumference of circle2 =

Ratio =

Area of circle1 =
Area of circle1 =

Required ratio of areas =

Ratio of areas is 49.
2015-02-07T16:56:09+05:30

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Let radius of first circle be r and second be R
ATQ
7 2πr=2πR
7r=R
Ratio of their area=πr²/π49r²=1/49