geometry
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15 Terms
Major Arc
An arc on the outside of the circle measuring MORE than 180
Common Tangent
A line that is tangent to more than one circle
Pi
A greek letter representing the ratio of circumference/diameter
Central Angle
An angle whose vertex is the center
Minor Arc
An arc on the outside of the circle measuring LESS than 180°
Semicircle
An arc with endpoints on a diameter that measures 180 degrees
Tangent
A line that intersects the circle in only ONE point
Circumference
The distance around a circle
Secant
A line that goes through 2 places in a circle but keeps going outside of the circle
Diameter
A segment that passes through the center of a circle
Center
A point from where all lines of a circle are the same distance
Circle
A curved line that is always the same distance from a given point
Chord
A segment whose endpoints are on a circle and do NOT pass through the center
Radius
A segment whose endpoints are the center and a point on the outside of the circle
Point of Tangency
The place where a tangent line intersects the circle