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Course: Geometry (OPS pilot) > Unit 5
Lesson 5: Proportions in triangles- Pythagorean theorem proof using similarity
- Exploring medial triangles
- Proof: Parallel lines divide triangle sides proportionally
- Prove theorems using similarity
- Proving slope is constant using similarity
- Proof: parallel lines have the same slope
- Proof: perpendicular lines have opposite reciprocal slopes
- Intro to angle bisector theorem
- Using the angle bisector theorem
- Solve triangles: angle bisector theorem
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