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# There are two circle with same centre O. The radius of larger circle is 4cm and that of the smaller circle is 2cm.

Find area of the shaded region.

- 36.5 sq cm
- 35.5 sq cm
- 37.7 sq cm
- 37 sq cm

## The correct answer is: 37.7 sq cm

### ar. of shaded region = ar. of larger circle – ar. of smaller circle

{ar. of circle = × r × r}

= × 4 × 4 - × 2 × 2

= (16 - 4)

= × 12

= 37.7 sq. cm

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