kelsielove2324 kelsielove2324

30-12-2016
Mathematics

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a circle has a radius of 3 an arc in the circle has a central angle of 60° what is the length of the arc

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30-12-2016

easy
360 degrees in 1 circle

the circumference is same ratio

60/360=1/6

1/6 of circumference is the legnth of the arc

radius=3
c=2pir
c=2pi3
c=6pi

1/6 of 6pi is pi

the arc is pi units long

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