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Download 2.7 – Postulates and Theorems Postulate 2.8 (Ruler Postulate) – the
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Transcript
2.7 – Postulates and Theorems Postulate 2.8 (Ruler Postulate) – the points on any line can be paired with real numbers so that, given any two points A and B on a line, A corresponds to zero and B corresponds to a positive real number Postulate 2.9 (Segment Addition Postulate) – If A, B, and C are collinear and B is between A and C, then AB + BC = AC. If AB + BC = AC, then B is between A and C. Theorem 2.2 (Segment Congruence) – congruence of segments is reflexive, symmetric, and transitive.