# Triangles

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Practice

Find angles in triangles

86%

86%

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Finding angle measures between intersecting lines

100%

100%

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Finding angle measures using triangles

86%

86%

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Practice

Triangle side length rules

75%

75%

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Test your understanding of

**Triangles**with these 10 questions.About this unit

You probably like triangles. You think they are useful. They show up a lot. What you'll see in this topic is that they are far more magical and mystical than you ever imagined!