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Proving Lines Parallel - Postulates & Theorems. If two lines are cut by a transversal and corresponding angles are congruent, then the lines are parallel.

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If two lines are cut by a transversal and alternate interior angles are congruent, then the lines are parallel. If two lines are cut by a transversal and same- ...

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Popular Tutorials in Proving Lines Parallel ... postulate states that when a transversal intersects parallel lines, the corresponding angles are congruent.

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Exploration · If consecutive interior angles are supplementary, then the two lines are parallel · If consecutive exterior angles are supplementary, then the two ...

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Alternate Exterior Angles of Parallel Lines Theorem (AEP) IF two lines are parallel, THEN the alternate exterior angles are congruent. 4Write the converse of ...

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PROVING LINES ARE PARALLEL ... Let us recall the definition of parallel lines, meaning they are a pair of lines that never intersect and are always the same ...

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Proving Lines Parallel. Section 3-5. Postulate 3.4. If 2 lines are cut by a transversal so that corresponding angles are congruent, then the lines are ...

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To prove lines are parallel, you need a third line. We at Shmoop (and the rest of the world) call it a transversal. Construction, Parallel Lines. Geometry ...

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If two lines are cut by a transversal and the alternate interior angles are congruent, then the lines are parallel. pr2. veify2b verify2c. vertify21. 1 ...

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Proving Lines Parallel. Postulate 11. If two parallel lines are cut by a transversal, then the pairs of corresponding angles are congruent. Theorem 2.1.2.

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Oct 21, 2016 ... Postulate 11. If two lines are cut by a transversal and corresponding angles are congruent, then the lines are parallel.