# Angle Sum Rules

Know that angles at a point sum to 360° (one whole turn), angles on a straight line sum to 180°, and vertically opposite angles are equal; use these facts to find missing angles

Builds on: Types of angles (age 8+) (hard, https://ai.page/c/types-of-angles-age-8/en.md), Degrees and turns (hard, https://ai.page/c/degrees-and-turns/en.md)

Concept id: angle-sum-rules. Subject: maths. Licence: CC BY-SA 4.0.

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