Arcs and Chords Flashcards
1
Q
What is a Central Angle?
A
An angle whose vertex is the center of a circle.
2
Q
What is an Arc?
A
An unbroken part of a circle consisting of two points called the endpoints and all the points on the circle between them.
3
Q
How do you find the Measure of an Arc?
A
You find the distance by using the percentage of 360 degrees.
4
Q
What is the Arc Addition Postulate?
A
The measure of an Arc formed by two adjacent Arcs is the sum of the measures of the two Arcs.
5
Q
What is the Congruent Chords Theorem?
A
Congruent Chords have Congruent Arcs.
6
Q
What is the Congruent Arcs Theorem?
A
Congruent Arcs have Congruent Chords.
7
Q
What is the Circle Perpendicular Radius Theorem?
A
In a Circle, if a Radius (or Diameter) is Perpendicular to a Chord, then it Bisects the Chord and its Arc.
