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| point on a segment that divides it into two congruent segments |
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| a segment, ray, line, or plane that intersects a segment at its midpoint |
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| a segment means to divide the segment into two congruent segments |
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Definition
| a ray that divides an angle into two angles that are congruent |
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Definition
| sum of two angles equals 180 degrees |
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| if sum of two angles' equals 90 degrees |
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| if two angles share a common vertex and side but have no common interior points |
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| a true statement that follows from other true statements. |
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| two angles if they are not adjacent and their sides are formed by two intersecting lines |
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| two adjacent angles if their non common sides are on the same line |
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| if part contains the hypothesis, then part contains the conclusion |
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Term
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| using facts, definitions, accepted properties, and laws of logic to make a logical argument |
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