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The circumferences of two circles are in...

The circumferences of two circles are in the ratio `2:3`. What is the ratio between their areas?
The area of two circles are in the ratio `4:9`. What is the ratio between their circumferences?

A

`2 : 3`

B

`4 : 9`

C

`1 : 3`

D

`8 : 7`

Text Solution

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The correct Answer is:
B
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