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circle vocabulaary

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TermDefinition
chord a segment whose endpoints lie on a circle
diameter a chord that contains the center of a circle
secant of a circle a line tat contains a chord
tangent to a circle a line that lies on the plane of a circle and that intersects the circle at exactly one point (point of tangency)
circle the set of points in a plane at a given distance at a given point int he plane
radius a segment from a point on a circle or a sphere to the center
congruent circle circles with the same radius
concentric circles circles that lie on the same plane that share the same center
inscribe angle angle whose vertex lies on a circle and whose sides contain chords of the circle
central angle angle whose vertex is the center of a circle and whose sides contain radii of the circle
circumference distance around a circle that is perimeter of a circle
arc length a fraction of the circumference of a circle defined by the arc
arc of a circle 2 points on a circle and the continuos part of the circle between the 2 points
semicircle an arc of a circle whose endpoints are the length of a diameter
minor arc an arc of a circle whose length is less than the length of a semicircle of the circle
major arc an arc of a circle whose length is grater than the length of a semicircle of the circle
Created by: jaki998
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