# Equations and geometry

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Lessons

Triangle anglesPythagorean theoremTriangle similarity introSolving similar trianglesUnit testPractice

Unit test

Practice

Find angles in triangles

100%

100%

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Practice

Determine similar triangles: AA

75%

75%

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Determine similar triangles: SSS

75%

75%

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Test your understanding of

**Equations and geometry**with these 10 questions.About this unit

See how algebra can be useful when solving geometrical problems.