Question

the circumference of 2 circle are in ratio 2:3 the ratio between their area is =
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Answer 1

Answer:

4:9

Step-by-step explanation:

Let their radius be r₁ and r₂ respectively.

Then, according to question,

2πr₁ /2πr₂ = 2/3

 r₁/r₂ = 2/3

 r₁²/r₂² = 4/9

 ∴πr₁²/πr₂² = 4/9

So, the ratios of their areas is 4:9.

 

Answer 2

Step-by-step explanation:

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