Flashcard Set Preview
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| 1 |
Central Arc
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Angle formed by 2 radii.
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| 2 |
Arc
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Part of the circumference of a circle.
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| 3 |
Minor arc
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Arc less than 180 degrees.
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| 4 |
Major Arc
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Arc greater than 180 degrees.
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| 5 |
Semicircle
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Arc that is equal to 180 degrees.
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| 6 |
Congruent arcs
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Arcs with the same degree measurements.
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| 7 |
Measure of Minor Arc
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Congruent to the arc's central angle made by it.
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| 8 |
Measure of Major Arc
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360 degrees minus the minor arc left over.
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| 9 |
Thm.
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Congruent arcs have congruent chords in the same circle.
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| 10 |
Thm. (also a Converse Thm.)
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If a diameter is perpendicular to a chord, then it biscents the chord and it's arc.
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| 11 |
Thm.
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2 chords are congruent if they are equidistant from the center.
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