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Course: High school geometry > Unit 4

Lesson 2: Introduction to triangle similarity

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Prove triangle similarity

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Complete the proof that $△ L M N \sim △ O P N$ ‍.

	Statement	Reason
1	$\overset{―}{L M} ∥ \overset{―}{O P}$ ‍	Given
2	$∠ L ≅ ∠ O$ ‍	When a transversal crosses parallel lines, alternate interior angles are congruent.
3
4	$△ L M N \sim △ O P N$ ‍	similarity

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