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If the radius of a circle is 10 feet, how long is the arc subtended by an angle measuring 81°?
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Jul 4, 2018
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If the radius of a circle is 10 feet, how long is the arc subtended by an angle measuring 81°?
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Kurtis
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Answer:
9/2
Explanation:
Kevin Lacquement
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Jul 5, 2018
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Kevin Lacquement
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circumference of the entire circle = 2 * PI * radius
circumference = 2 * PI * radius
circumference =
62.832
81 degrees is (81 / 360) or .225 of the entire circumference
so the 81 degree arc = .225 * 62.832 = 14.137 feet
Pedrog
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Jul 9, 2018
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