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The diameter of the larger circle is 10.5 cm. The diameter of the smaller circle is 4.5 cm.


What is the best approximation for the area of the shaded region?


Use 3.14 to approximate pi.


70.7 cm²


86.5 cm²


102.4 cm²


282.6 cm²

Verified Answer :

zexius

4.5 / 2 = 2.25cm radius for the smaller circle

3.14 (pi) × 2.25² = 15.89625cm²

10.5 / 2 = 5.25cm radius for the larger circle

3.14 × 5.25² = 86.54625cm²

86.54625 - 15.89625 = 70.65cm² 

The answer is 70.7cm².

beckymyers2001

70.7cm^2
is the anwser

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