Term
| Thm 2-6-1 "Linear Pair Theorem" |
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Definition
| If two angles form a linear pair, then they are supplementary. (p.110) |
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Term
| Thm 2-6-2 "Congruent Supplements Theorem" |
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Definition
| If two angles are supplementary to the same angle (or to two congruent angles), then the two angles are congruent. (p.111) |
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Term
| Thm 2-6-3 "Right Angle Congruence Theorem" |
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Definition
| All right angles are congruent. (p.112) |
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Term
| Thm 2-6-4 "Congruent Complements Theorem" |
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Definition
| If two angles are complementary to the same angle (or to two congruent angles), then the two angles are congruent. (p.112) |
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Term
| Thm 2-7-1 "Common Segments Theorem" |
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Definition
| Given collinear points A, B, C, and D arranged as shown, if AB=CD, then AC=BD. (p.118) |
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Term
| Thm 2-7-2 "Vertical Angels Theorem" |
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Definition
| Vertical angles are congruent . (p.120) |
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Term
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Definition
| If two congruent angles are supplementary, then each angle is a right angle. (p.120) |
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