Question

the area of one circle is 100 times the area of another circle. find the ratio of their circumference​

Answer 1

Answer :-

A₁= 100A₂

A₁/A₂ = 100

πr₁²/πr₂² = 100

r₁/r₂ = 10

r₁/r₂ = 10/1

Hence ratio of their circumference is 10:1.

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