The parts of angles and how angles are named
The names of angles
Angles around a point add up to 360 degrees.
Angles in a straight line add up to 180 degrees (Supplementary angles)
Vertically opposite angles are equal
Complementary angles add up to 90 degrees.
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.
The angles in polygons
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