## 7 - 5 POTD95 Prove angle sum and exterior angles of a triangle using transversals.pdf - Section 2: Play of the Day

7 - 5 POTD95 Prove angle sum and exterior angles of a triangle using transversals.pdf

# Prove interior angles of a triangle using transversals

Unit 7: PARALLEL LINES, TRANSVERSALS, AND TRIANGLES
Lesson 5 of 9

## Big Idea: Get kids to prove facts using transversals. This is harder than it sounds!

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75 minutes

### Jeff Li MTP

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