The parts of angles and how angles are named

The names of angles

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Angles around a point add up to 360 degrees.

Angles in a straight line add up to 180 degrees (Supplementary angles)

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Vertically opposite angles are equal

Complementary angles add up to 90 degrees.

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Alternate angles are equal
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Corresponding angles
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The angles in a triangle add up to 180 degrees.

The angles in a quadrilateral add up to 360 degrees.

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The angles in polygons

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