The arc length of an arc subtended by an angle measuring 11π/18 radians is 78.6 inches.

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The arc length of an arc subtended by an angle measuring 11π/18 radians is 78.6 inches.

What is the radius of the arc?

approximately 36.5 inches
approximately 40.9 inches
approximately 48.0 inches
approximately 128.6 inches

Guest Mar 30, 2020

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1⁺⁰ Answers

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pi d is circumference

11pi/18 / 2pi is fraction of circumference

(11pi /18) / 2pi * pi *d = 78.6 solve for 'd' then radius is 1/2 d

ElectricPavlov Mar 30, 2020

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