1.

In the given figure, a circle of diameter 21 cm is given. Inside this circle,wo circles with diameters and of the diameter of the big circle havedrawn, as shown in the given figure. Find the area of the shaded15.2 133region22, 21 21(22Hint. Required area-e22 x 21 ×an)-(,7x7)+(,H11-m2(22 7 7cme

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