Studied by 3 people
Diameter
________- A chord that contains the center of the circle.
Arc
________- A portion of a circle where two distinct points on a circle divides the circle into two parts.
Radius
________ is defined as a segment connecting the center with a point on the circle.
Circumscribed Polygon
The polygon is outside the circle.
Central Angle
________ is an angle in the plane of the circle whose vertex is the center of the circle.
The circle is divided into 3 parts
Exterior, Interior and the circle itself
Circle
The set of all points in a plane at a given distance from a given point.
Major arc, Minor arc and semicircle
3 Classifications of Arcs
Tangent Line
A tangent to a circle is a line, coplanar with the circle that intersects the circle in exactly one point.
Secant Line
A secant line is a line that intersects the circle in two points. It is always composed of a chord.
Inscribed Angle
An angle whose vertex lies on the circles and whose sides contain points of the circle.
Common Tangent
It is a tangent to each of coplanar lines.
Common External Tangent
The line did not intersect the center of the circle
Note 
Flashcard (22)