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What is the area of a sector with a central angle of (5 \pi )/(7) radians and a diameter of 5.6 in.? Use 3.14 for π and round your final answer to the nearest hundredth. Enter y…
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What is the area of a sector with a central angle of (5 \pi )/(7) radians and a diameter of 5.6 in.? Use 3.14 for π and round your final answer to the nearest hundredth. Enter y…
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May 13, 2019
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What is the area of a sector with a central angle of
radians and a diameter of 5.6 in.?
Use 3.14 for π and round your final answer to the nearest hundredth.
Enter your answer as a decimal
Mathematics
high-school
HussienK
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Area of a sector (A) with a central angle (€) of 5π/7 radians and a diameter of 5.6 in.
Use 3.14 for π, radius (r) = d/2 = 5.6/2 = 2.8in.
A = (€ radians/2π radians)•π r^2
A = (5π7 radians/2π radians)•π (2.8in)^2
A = 5/14•π 7.84 in^2
A = 0.357•3.14•7.84 in^2
A = 8.79 in^2
Leo Fang
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May 20, 2019
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Leo Fang
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