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Transcript
Geometry Notes
Sections 3 - 5
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What you’ll learn . . .
How to recognize angle conditions that
occur with parallel lines.
 How to prove that two line are parallel
based on given angle relationships.
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Vocabulary
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No vocabulary =)
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Postulate
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If corresponding angles are congruent, then the
lines are parallel.
If 1  5, 2  6,
3  6, or 4  8,
then line m  n .
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If alternate interior angles are ______________,
do you think the lines are parallel?
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If alternate exterior angles are _____________,
do you think the lines are parallel?
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If consecutive interior angles are _____________,
do you think the lines are parallel?
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If two lines are perpendicular to the same line,
do you think they have to be parallel?
This is called the “Perpendicular Transversal Theorem
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Have you learned…..
How to recognize angle conditions that
occur with parallel lines?
 How to prove that two line are parallel
based on given angle relationships?
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