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Prove lines are Parallel

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Section 3.3 Prove lines are Parallel Homework Pg 165 #6-8,(do not prove) 13-15,(do not prove) 28 Vocabulary Paragraph proof: type of proof written in paragraph form ... – PowerPoint PPT presentation

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Title: Prove lines are Parallel

1
Section 3.3
• Prove lines are Parallel

2
Homework
• Pg 165 6-8,(do not prove) 13-15,(do not prove) 28

3
Vocabulary
• Paragraph proof type of proof written in
paragraph form

4
Postulate 16 Corresponding Angles Converse
• Corresponding Angles Converse If two lines are
cut by a transversal so the corresponding angles
are congruent, then the lines are parallel.

5
Theorem 3.4 Alternate Interior Angles Converse
• If two lines are cut by a transversal so the
alternate interior angles are congruent, then the
lines are parallel.

6
Theorem 3.5 Alternate Exterior Angles Converse
• If two lines are cut by a transversal so the
alternate exterior angles are congruent, then the
lines are parallel.

7
Theorem 3.6 Consecutive Interior Angles Converse
• If two lines are cut by a transversal so the
consecutive interior angles are supplementary,
then the lines are parallel.

8
Theorem 3.7 Transitive Property of Parallel Lines
• If two lines are parallel to the same line, then
they are parallel to each other.

9
Prove Theorem 3.5
• Prove Theorem 3.5 in paragraph form