The adjoining figure shows two circles with the same centre. The radius of larger circle is 10 cm & the radius of the smaller circle is 9 cm. Find:
(a) area of the larger circle
(b) area of the smaller circle
(c) Shaded area between the two circles.
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Step-by-step explanation:
1 is area of large circle is pie r square
22/7*10*10
22/7*100
1.54ans
2area of small circle pie r square
22/7*9*9
22/7*81
254.57
3 shaded area is 254.57-1.54
253.03ans
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