2 angles that share a side
- 2 angles that share a common side and vertex
- 2 angles that share a common side
- 2 angles that share a common endpoint and side
- 2 angles that share a vertex and a side
- 2 angles that don't share a common side or vertex
- 2 angles that share a side and vertex neighboring angles
- 2 angles that are next to each other and share a common side
- Angles of triangles