Question
The figure is not drawn to scale. It is made up of 2 concentric circles. O is the centre of the circles. OW is 6 m and OB is 3 m. OW, OX, OY, OZ and OA cut the circles into 5 identical parts. Find the area of the shaded part. (Take π = 3.14)
3 m

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The figure is not drawn to scale. It is made up of 2 concentric circles. O is the centre of the circles. OW is 6 m and OB is 3 m. OW, OX, OY, OZ and OA cut the circles into 5 identical parts. Find the area of the shaded part. (Take π = 3.14)