Prove lines are Parallel - PowerPoint PPT Presentation

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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
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