# Understanding angles (age 12+)

Use ruler and compasses to perform standard constructions: perpendicular bisector of a line segment, perpendicular to a line from or at a given point, and bisecting an angle

Builds on: Measuring angles (age 11+) (hard, https://ai.page/c/measuring-angles-age-11/en.md)

Concept id: understanding-angles-age-12. Subject: maths. Licence: CC BY-SA 4.0.

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