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Questions and Answers
Congruent circles have the same ______
Congruent circles have the same ______
radius
A ______ is the set of all points in a plane that are equidistant from a given point called the center of the circle
A ______ is the set of all points in a plane that are equidistant from a given point called the center of the circle
circle
A ______ is the distance across the circle through its center
A ______ is the distance across the circle through its center
diameter
A ______ is a segment whose endpoints are points on the circle
A ______ is a segment whose endpoints are points on the circle
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If a line is tangent to a circle, then it is perpendicular to the ______ drawn to the point
If a line is tangent to a circle, then it is perpendicular to the ______ drawn to the point
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Study Notes
Circle Basics
- Congruent circles have the same center and radius
Definition of Circle
- A circle is the set of all points in a plane that are equidistant from a given point called the center of the circle
Diameter
- A diameter is the distance across the circle through its center
Chord
- A chord is a segment whose endpoints are points on the circle
Tangent Lines
- If a line is tangent to a circle, then it is perpendicular to the radius drawn to the point
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