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www.ask.com/math/arc-length-circle-1ae7fad63bb6e397

The length of an arc of a circle is obtained by using the formula L=?r?/180, where L is the length of the minor arc of the circle, r is the radius of the circle and ? is the angle ...

Arc (geometry)

en.wikipedia.org/wiki/Arc_(geometry)

edit]. See also: Arc length § Arcs of circles. The length (more precisely, arc length ), L, of an arc of a circle with ...

Cool math .com - The Trigonometry of Circles - arc length, area of a ...

www.coolmath.com/reference/circles-trigonometry

Definitions and formulas for the arc and the arc length of a circle, sector and the area of the sector of a circle, the unit circle, the angles on the unit circle in ...

Arc Length definition - Math Open Reference

www.mathopenref.com/arclength.html

Definition of arc length and formula to calculate it from the radius and central angle ... of the whole circle, so the formula simply reduces this by the ratio of the arc ...

video.about.com/math/Length-of-an-Arc.htm
All you have to do is take any angle you get -- say, 60 degrees -- and you want to find out how many radians that is, just multiply it by the conversion factor: Sixty degrees times pi radians is 180 degrees. If I want to find how far this car travels as it travels aro... More »

Mathwords: Arc of a Circle

www.mathwords.com/a/arc_circle.htm

Arc of a Circle. A connected section of the circumference of a circle. Arcs are measured in two ways: as the measure of the central angle, or as the length of the ...

Circles and Arcs - Regents Exam Prep Center

www.regentsprep.org/regents/math/geometry/gp15/circlearcs.htm

In a circle, the length of an arc is a portion of the circumference. Remembering that the arc measure is the measure of the central angle, a definition can be ...

Arc Length and Radian Measure - Regents Exam Prep Center

www.regentsprep.org/regents/math/algtrig/atm1/arclengthlesson.htm

(The arc length discussed on this page will be in relation to a circle.) An arc of a circle is a "portion" of the circumference of the circle. The length of an arc is ...

Learn Example: Radian measure and arc length | Radians | Khan ...

www.khanacademy.org/math/trigonometry/unit-circle-trig-func/radians_tutorial/v/radian-measure-and-arc-length

An angle's measurement in radians is numerically equal to the length of a corresponding arc of a unit circle. The unit was formerly an SI supplementary unit, but ...

Arc length -- Topics in trigonometry - The Math Page

www.themathpage.com/atrig/arc-length.htm

Now the circumference of a circle is an arc length. And the ratio of the circumference to the diameter is the basis of radian measure. That ratio is the definition of ...

Popular Q&A
Q: What is the arc length of a circle?
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Q: Arc length of a circle?
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Q: What is the formula the arc length of a circle
A: Arc Length of a circle in radians is theta( angle in radian) times ... ...MORE... Read More »
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Q: What is the arc length of this circle (x)?
A: x²+y²=R² diagram: http://i678.photobucket.com/albums/vv149… (15/2)² + (R - 2.5)² = R² R = 12.5 arc length = 2θR = 25θ = 25tan⁻¹(3/4) Read More »
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Q: How do you find the arc length of a circle?
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