Math, asked by ankit6486, 1 year ago

the circumference of 2 circle the radius 4 :5 find the ratio of their area

Answers

Answered by vaibhavchhabra7

1

r1:r2=4:5

⇒r1²:r2²=16:25

⇒πr1²:πr2²=16:25

⇒a1:a2=16:25

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