Math, asked by sheetalkabire, 3 months ago

12. दो वृत्तों का क्षेत्रफल 4 : 9 के अनुपात में हैं। उनकी त्रिज्याओं में अनुपात ज्ञात कीजिए।​

Answers

Answered by esther1232
0

Step-by-step explanation:

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Answered by vivekanandrai138
1

Step-by-step explanation:

 \frac{\pi \:  \: r {}^{2} }{\pi \: r {?}^{2} }  =  \frac{4}{9}

 \frac{r1 {}^{2} }{r2 {}^{2} }  =  \frac{4}{9}

 \frac{r1}{r2}  =  \sqrt{ \frac{4}{9} }

 \frac{2}{3} answer

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