Prove Lines Parallel

Debra Schneider, 2017年11月2日

Investigate slopes when corresponding and alternate interior angles are congruent, and same-side interior angles are supplementary.


  • 1. Corresponding Angles
  • 2. Same-Side Interior Angles
  • 3. Alternate Interior Angles

1.

Corresponding Angles

Investigate
I constructed the corresponding angles so they are congruent. [br]If you change the angle measurements, are the lines still parallel? [br]If you move the lines, are the lines still parallel?
– Debra Schneider

2.

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3.

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