find the area of the shaded region, take pie= 3.14
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Answer:
1356.48 cm²
Step-by-step explanation:
Area of shaded region
=area of bigger circle-area of smaller circle
=πr²1-πr²2
=π(r²1-r²2)
=3.14(21×21-3×3)
=3.14(441-9)
=3.14×432
=1356.48 cm²
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