Geometry Warm ups Summarize the five methods used in yesterday’s lesson to prove that two lines are parallel. 1. 2. 3. 4. 5.

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Presentation transcript:

Geometry Warm ups Summarize the five methods used in yesterday’s lesson to prove that two lines are parallel

Review 1 Solve for x so that lines l and m are parallel.

3-5 PROVING PARALLEL LINES (DAY 2) Objective: to use two column proofs to prove lines are parallel.

Review 2 Solve for x so that lines l and m are parallel.

Review 3 Solve for x so that lines l and m are parallel.

Proof 1 Vertical <s are congruent l II m Converse of corr. s postulate

Proof 2

Homework Pg. 212 # 25 – 29 all, 32 – 35, 37, 42