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12-3 Chords and Arcs

Thm 1 Congruent chords have congruent arcs, and congruent arcs have congruent chords.

Thm 2: A diameter that is perpendicular to a chord bisects the chord and its arc.

Thm 3: 2 chords that are equidistant from the center are congruent. The converse is true.

Converse: 2 chords that are congruent are equidistant from the center.

Problem 1-1