Proving Lines are Parallel (Converse Theorems)
Use converse angle theorems to prove whether given lines are parallel. Determine line parallelism based on congruent or supplementary angle relationships.
Questions
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MultiChoice
Which condition PROVES that two lines cut by a transversal are parallel?
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MultiChoice
If alternate interior angles are equal, lines are parallel by which theorem?
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MultiChoice
If angle 1 = 110 degrees and alternate exterior angle 8 = 110 degrees, are the lines parallel?
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MultiChoice
If angle 3 = 65 degrees, what measure of consecutive interior angle 5 will prove line L1 is parallel to L2?
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MultiChoice
If two same-side interior angles are 85 degrees and 95 degrees, are the two lines parallel?
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MultiChoice
If corresponding angles measure 70 degrees and 110 degrees, are the lines parallel?
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MultiChoice
Which theorem proves lines are parallel when matching corresponding angles are equal?
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MultiChoice
What must angle 6 equal so that alternate interior angle 3 = 88 degrees proves parallelism?
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MultiChoice
If same-side exterior angle 1 = 130 degrees, what value of angle 7 proves the lines are parallel?
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MultiChoice
Which statement CANNOT be used as proof that two lines are parallel?
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MultiChoice
Angle 1 = 130 degrees. Its adjacent linear pair angle 2 = 50 degrees. Alternate interior angle to angle 2 is 50 degrees. Are the lines parallel?
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MultiChoice
If same-side interior angles add up to 180 degrees, which converse theorem proves the lines are parallel?