# Triangle's Interior Angles

##### This *Triangle's Interior Angles* lesson plan also includes:

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Given a pair of parallel lines and a triangle in between, geometers prove that the sum of the interior angles is 180 degrees. This quick quest can be used as a pop quiz or exit ticket for your geometry class.

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CCSS:
Designed

##### Pros

- Meets Common Core State Standards for eighth grade geometry
- Detailed teacher commentary explains the solution

##### Cons

- None

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