Study notes

Geometry

Angles on a line, at a point, and vertically opposite, plus properties of triangles and quadrilaterals.

What this topic covers

  • Angles on a straight line add up to 180 degrees
  • Angles at a point add up to 360 degrees
  • Vertically opposite angles are equal
  • The angles in a triangle add up to 180 degrees
  • Parallelograms, rhombi, and trapeziums have their own angle rules

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