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A circle of 3 m radius is divided into t...


A circle of 3 m radius is divided into three areas by semicircles of radii 1 m and 2 m as shown in the figure above. The ratio of the three areas A, B and C will be

A

`2:3:2`

B

`1:1:1`

C

`4:3:4 `

D

`1:2:1`

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