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Arcs and Chords:
Theorem:
In congruent circles or in the same circle:
1. Congruent arcs have congruent chords.
2. Congruent chords have congruent arcs.
Theorem:
A diameter that is perpendicular to a chord bisects that chord and the arc in the chord.
Theorem:
In congruent circles or in the same circles:
1. Chords that are equally distant from the center (or centers) are congruent.
2. Congruent chords are equally distant from the center (or centers).a
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