If the circumference of one circle is 7 times the circumference of other circle, what will be the ratio of their areas?
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7(2πr)=2πR
=>14r=2R
=>7r=R
πR²:πr²
R²:r²
(7r)²:r²
49r²:r²
=>49:1
hope you understand and it helps you....
=>14r=2R
=>7r=R
πR²:πr²
R²:r²
(7r)²:r²
49r²:r²
=>49:1
hope you understand and it helps you....
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