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14-03-2017
Mathematics

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A circle has a circumfrence of 6. it has an arc of length 1. what is the central angle of the arc in degrees

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Аноним Аноним

14-03-2017

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Circumference=2.r+Arc Length

6=2.r+1

r=5/2

Arc Length=Degree /360.2.pi.r

1=Degree /360.2.3,14.5/2

Degree=360/15,7

Degree =22,93

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