Q7. The given figure,a circle of radious 21 cm is given figure. inside this circle two circle with radious 7 cm and 14 cm have been drawn. Find the area of the shaded region ?
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Answer:
616cm²
Step-by-step explanation:
area of square=πr²
area of big circle is 1386cm²
area of smallest circle is 154cm²
are of medium circle is 616cm²
so area of shaded region is area of big circle - area of smallest circle-area of medium circle
so 1386-616-154=616cm²
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