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Course: High school geometry?>?Unit 4
Lesson 2: Introduction to triangle similarity- Intro to triangle similarity
- Triangle similarity postulates/criteria
- Angle-angle triangle similarity criterion
- Determine similar triangles: Angles
- Determine similar triangles: SSS
- Determining similar triangles
- Prove triangle similarity
- Triangle similarity review
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Prove triangle similarity
Problem
Complete the proof that .
Statement | Reason | |
---|---|---|
1 | Given | |
2 | When a transversal crosses parallel lines, alternate interior angles are congruent. | |
3 | ||
4 | similarity |