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blondinia [14]
3 years ago
7

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

Mathematics
1 answer:
meriva3 years ago
6 0
Find the area of the large circle and the small circle and then subtract those two to find the area of the shaded region.

Radius of the large circle = 5.25
Radius of the small circle = 2.25

Area of larger circle = 

πr² = (3.14)(5.25)² = 86.55

Area of smaller circle = 

πr² = (3.14)(2.25)² = 15.91

Now subtract the two areas:

86.55 - 15.91 = 70.64

The area of the shaded region is approx. 70.7 cm²

Hope this helps :)
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