Theorems and Postulates Ch. 1
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7 terms
Terms | Definitions |
|---|---|
 Segment Addition Postulate (SAP) | If B is between A and C, then AB+BC=AC |
| Angle Addition Postulate | If point B lies in the interior of <AOC, then m<AOB+m<BOC=m<AOC |
| Vertical Angles Theorem | Vertical angles are congruent |
| Postulate 10 | If two parallel line are cut by a transversal, then corresponding angles are congruent. |
| Theorem 3-2 | If two parallel lines are cut by a transversal, then alternate interior angles are congruent |
| Theorem 3-3 | If two parallel lines are cut by a transversal, then same-side interior angles are supplementary. |
| Theorem 3-4 | If a transversal is perpendicular to one of the two parallel lines, then it is perpendicular to the other one also. |
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