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Circlesp2
- 4. Minor Arc An arc of a circle that is smaller than a semicircle.
- 5. Major Arc An arc of a circle that is larger than a semicircle.
- 9. The measure of the minor arc is the measure of its central angle in degrees.
- 11. The measure of the major arc is 360 minus the measure of its minor arc.
- 13. In the same circle or in congruent circles, two minor arcs are congruent iff their central angles are congruent.
- 15. Two arcs of a circle are adjacent nonoverlapping arcs iff they have exactly one point in common.
- 17. The measure of an arc formed by two adjacent non overlapping arc is the sum of the measures of those two arcs.
- 20. A chord corresponds to an arc iff its endpoints are on the circle and on the central angle of the given arc.
- 23. Two minor arcs in the same or congruent circles are congruent if their corresponding chords are congruent.
- 24. If a diameter of the circle is perpendicular to the chord, then the line bisects the chord and its arc.
- 26. Two chords are equidistant from the center iff they are congruent.