If AB = 10 cm, what is the area of the s...

If AB = 10 cm, what is the area of the shaded portion ? it is given that OPA and OQB are quadrants of a circle and AB is a tangent to them. AMR and RNB are two identical semicircles.

A

`25(2-pi//4)`

B

`25pi//4`

C

`50-25pi//2`

D

None of these

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A

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