Download 3-5 Proving Lines Parallel.notebook

3­5 Proving Lines Parallel.notebook
October 27, 2016
10/27 Honors Geometry Warm­up
When would we need to have parallel lines in real life?
Oct 30­12:31 PM
3­5 Proving Lines Parallel
Postulate 3.4: If two lines in a plane are cut by a transversal so that corresponding angles are congruent, then the lines are _________________. Parallel Postulate (3.5): If given a line and point not on the line, then there exists exactly one line through the point that is _________________ to the given line. Nov 4­1:13 PM
3­5 Proving Lines Parallel.notebook
October 27, 2016
Oct 24­9:29 AM
Example 1: Determine which lines, if any are parallel.
Nov 4­1:25 PM
3­5 Proving Lines Parallel.notebook
October 27, 2016
Example 2: Find x so that line l is parallel to m.
Nov 4­1:26 PM
Example 3: Prove Lines Parallel
Statement
Reason
Nov 4­1:15 PM
3­5 Proving Lines Parallel.notebook
October 27, 2016
Example 4: Determine whether each pair of lines is parallel. Explain why or why not.
Nov 4­1:28 PM