# Angles with parallel lines

Understand and use the relationship between parallel lines cut by a transversal: corresponding angles, alternate interior angles, and co-interior (same-side interior) angles; use these to find unknown angles

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

Concept id: angles-with-parallel-lines. Subject: maths. Licence: CC BY-SA 4.0.

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