# Lines and angles

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Complementary and supplementary angles (visual)

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Vertical angles

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Unknown angle problems (with algebra)

7 questions

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Test your understanding of

**Lines and angles**with these 10 questions.About this unit

A 'line' has no end points, a 'line segment' has two end points, and an 'angle' is formed when lines or line segments meet. This is where we dive into the world of geometry!