7. Find the area of the shaded region in sq. cm if the radius shown in the figure is in centimetre.
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Find the area of the shaded region in sq. cm if the radius shown in the figure is in centimetre.
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diameter of the biggest circle - 10
diameter of bigger and big circle - 6 and 4 respectively
area of bigger and big circle - 28.27cm² and 12.57cm² respectively
area of the biggest circle- 78.54
So, 28.27+12.57-78.54 = 40.84-78.54=37.7
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