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Anestetic [448]
4 years ago
12

Please help my find these answers.

Mathematics
1 answer:
andreev551 [17]4 years ago
6 0

Area of the circle = 195. 97 ft^2

Area of the sector = 41.37 ft^2

 

Radius of the circle: Area = Pi*r^2 à r =√( area/pi) = √(195.97/3.14159) = 7.90 ft

 

Circumference of the circle: Pi*2*r = 3.14159*2*7.90ft = 49.62 ft

 

Arc PQ.

Ratio of the shaded sector: 41.37/195.97 = 0.2111

Angle of the arc PQ = 0.2111*360° = 76 °

Length PQ = 0.2111*Circumference = 0.2111* 49.62ft = 10.48 ft

 

<span>Perimeter of the shaded region = r + r + length PQ = 2*7.90 ft + 10.48 ft = 26.28 ft.</span>


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<span>
hope it helps

</span>
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Read 2 more answers
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