4.6 · AnglesLesson 5 of 15
Co-interior angles
Co-interior angles sit on the same side, between the parallels, in a C shape. They add to 180°.
Locked
Unlock the rest of Cambridge O Level Mathematics: Geometry and Mensuration (4024).
- Every lesson, every resource, unlocked instantly.
- Track progress and pick up where you left off.
- Free preview lessons stay readable from the outline.