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ABCD is a square of side 5 cm. At the fo...

ABCD is a square of side 5 cm. At the four corners, four circular arcs each of radius. 1 cm are drawn. A circle of radius 2.5 cm with centre O is drawn inside the square. What is the approximate area of the shaded portion ?

A

`1 cm^2`

B

`1.4 cm^2`

C

`1.8 cm^2`

D

`2.2 cm^2`

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The correct Answer is:
D
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