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What is the length of the arc

Algebra
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A circle has a radius of 9. An arc in this circle has a central angle of 1/3 pie radians

Mar 17th, 2015

we know that  Angle = Arc/radius   (Where Angle is in radians)

hence we can write,    Arc  =  Angle x radius

substituting values we get , Arc  =  (Pie/3) x 9 = 3 Pi  (Answer)

Feel free the ask doubt if any ... Expecting good rating please

Mar 17th, 2015

Thank you.  I was looking at some of my sons problems and could not figure the  answer I have not done this in 30 years

Mar 17th, 2015

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Mar 17th, 2015

Thanks

Mar 17th, 2015

You are the BEST

Mar 17th, 2015

Circle has a circumference of 4 pie is has an arc of length 4/3 pie

Mar 17th, 2015

Circumference of circle = 2 * Pi * r = 2 * Pi * 9 = 18 Pi


Mar 17th, 2015

arc length for Angle Pi/3 radian  =  3 pi as calculated above


Mar 17th, 2015

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Mar 17th, 2015
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Mar 17th, 2015
Dec 6th, 2016
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