Mathematics flashcards

Angles in Polygons and Parallel Lines

Exam code: 05801/20
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FrontThe basic angle facts

State the four angle facts that start every question.

BackThe basic angle facts
  • Angles meeting at a point add to 360°.
  • Angles on one side of a straight line add to 180°.
  • Vertically opposite angles are equal.
  • The angles inside a triangle add to 180° and inside a quadrilateral to 360°.

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