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5 Cards in this Set
- Front
- Back
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Postulate 7-1 Arc Addition Postulate
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The measure of an arc formed by two adjacent arcs is the sum of the measures of the two arcs.
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Theorem 7-1 Congruent Arcs
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In the same circle or in two congruent circles, two arcs are congruent if and only if their corresponding central angles are congruent.
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Theorem 7-2 Congruent Arcs and Chords
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In a circle or congruent circles, two minor arcs are congruent if and only if their corresponding chords are congruent.
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Postulate 7-2 Congruent Chords Congruent Central Angles
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If two chords are of equal length, then the central angles are equal.
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Theorem 7-3 Perpendicular Diameters and Chords
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In a circle, if a diameter is perpendicular to a chord, then it bisects the chord and its arc.
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