# Shared Flashcard Set

## Details

GEOMETRY
Circles
17
Mathematics
01/31/2010

Term
 circle
Definition
 the set of all points in a plane at a given distance from a point
Term
Definition
 a segment from the center to a point on the edge of the circle
Term
 diameter
Definition
 a line segment going through the center of a circle, with its endpoints on the circle
Term
 congruent circles
Definition
 two or more circles that have the same radius
Term
 concentric circles
Definition
 two or more coplanar circles that share the same center
Term
 arc of a circle
Definition
 two points on the circle and the continuous part between the two points
Term
 semicircle
Definition
 an arc who endpoints are the endpoints of a diameter
Term
 minor arc
Definition
 an arc of a circle that is smaller than a semicircle
Term
 major arc
Definition
 an arc of a circle that is larger than a semicircle
Term
 central angle
Definition
 an angle with its vertex at the center of the circle and sides passing through the endpoints of an arc
Term
 chord
Definition
 a line segment who endpoints lie on the circle
Term
 tangent
Definition
 a line that intersects the circle only once
Term
 inscribed angle
Definition
 an angle whose vertex is on the circle and whose endpoints are also on the circle
Term
 circumference
Definition
 the distance around a circle
Term
 arc length
Definition
 a fractional distance of the circumference of the circle
Term
 arc measure
Definition
 the degrees of the arc as it relates to a central or inscribed angle
Term
 secant
Definition
 a line that intersects a circle in two points
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