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

In Euclidean geometry, an arc (symbol: ⌒) is a closed segment of a differentiable
curve. A common example in the plane (a two-dimensional manifold), is a ...

www.mathopenref.com/arc.html

Definition and properties of an arc. Includes the measures of an arc, both the arc
length and the arc angle measure.

mathworld.wolfram.com/Arc.html

Geometry > Plane Geometry > Arcs >. MathWorld Contributors ... There are a
number of meanings for the word "arc" in mathematics. In general, an arc is any ...

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

www.mathsisfun.com/definitions/arc.html

Math explained in easy language, plus puzzles, games, quizzes, worksheets and
a forum. ... Arc. more ... Drag a point! © 2015 MathsIsFun.com v0.86. Part of the ...

www.chegg.com/homework-help/definitions/arc-of-a-circle-63

Definition of arc of a circle and related terms and concepts. ... A comparison of
degree and radian measure to find the arc length: ... See more Geometry topics ...

www.icoachmath.com/math_dictionary/arc.html

An Arc is a curved line that is a part of a circle....complete information about the
arc, definition of an arc, examples of an arc, step by step solution of problems ...

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 ...

www.khanacademy.org/math/basic-geo/basic-geo-angle/angles-in-circles/v/angle-measurement-and-circle-arcs

Basic geometry Angles. Angles in circles. Angle measurement & circle ... Angle
measurement & circle arcs. AboutTranscript. Learn to measure angles as part of ...

www.khanacademy.org/math/geometry/hs-geo-circles/hs-geo-arc-measures/v/intro-arc-measure

Sal introduces arc measure including that they must sum to 360, conventions of
minor and major arcs, and a comparison to arc length.