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23-10-2016
Mathematics

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A circle has a radius of 5 ft, and an arc of length 7 ft is made by the intersection of the circle with a central angle. what is angle, q?

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23-10-2016

c=2pir
c=2pi5
c=10pi

7/10pi=x/360
times both sides by 360pi
252=xpi
divide both sides by pi
252/pi=x
aprox pi=3.141592
80.2141=x

angle is 80.21 degrees

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