Circles: Arcs and Chords

1
Circles Arcs and Chords

• Section 9-3 Theorems of Congruence

2
Circles Theorem 9-1

• In a circle or in congruent circles, two minor
  arcs are congruent if and only if their
  corresponding chords are congruent.

3
Circles Theorem 9-2

• In a circle, if a diameter is perpendicular to a
  chord, then it bisects the chord and its arc.

4
Circles Theorem 9-3

• In a circle or in congruent circles, two chords
  are congruent if and only if they are equidistant
  from the center.