1
Q
two arcs of the same circle that intersect at exactly one point
A
adjacent arcs
2
Q
An unbroken part of a circle consisting of two points on the circle, called the endpoints, and all the points on the circle between them.
A
Arc
3
Q
the distance along an arc measured in a linear units.
A
Arc length
4
Q
an angle whose vertex is the center of a circle
A
Central angle
5
Q
a segment whose endpoints lie on a circle
A
Chord
6
Q
A line that is tangent to two circles
A
Common Tangent
Geometry
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