Question

find the area shaded part in the adjoining fig. given the diameter of the big circle is 28cm​

Answer 1

286 is area of shaded region

Answer 2

area of shaded region =area of big circle - area of two small circles

radius of big circle= 14cm

radius of small circle =7cm

area of shaded region=π×14×14-π×7×7
=π(14×14-7×7)
= π(196-49)
=22/7×145
445.71 cm^2

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