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TenMarks teaches you how to prove lines are parallel using angle measures.
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Using postulate: "if congruent corresponding angles then parallel lines" to prove theorems :
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Geometry 2 using alternate interior angles to show two lines are parallel :
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Using a compass, you can measure the angles created by the parallel lines and the transversal, or the line that intersects the two parallel lines.
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Proof - Corresponding Angle Equivalence Implies Parallel Lines :
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Therefore, alternate interior angles of parallel lines crossed by a transversal are (...) We can also prove that L and M are parallel using the corresponding angles
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Geometry 2 using alternant exterior angles to show lines are parallel :
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Because a pair of parallel lines produces unique angle characteristics, we can use this information to our advantage. Watch this video lesson to see how we turn this
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are parallel. You can use the following postulate and theorems to prove that two lines are parallel. (...) Using the Corresponding Angles Converse
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Geometry: 3-2 Angles formed by Parallel Lines and Transversals :
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Geometry: 3-3 Proving Lines Parallel :
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Geometry 2 using consecutive interior angles to prove parallel lines :
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Proving Lines are Parallel - MathHelp.com - Geometry Help :
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Geometry Using Alternate exterior angles to prove two lines are parallel :
Ratings : 34 %