# Collection of puzzles on the exterior angle theorem

Here are puzzles where the most advanced concept is the exterior angle theorem.

Prereqs:

- sum of interior angles of a triangle
- exterior angle theorem

Prereqs:

- exterior angle theorem

Here are puzzles where the most advanced concept is the exterior angle theorem.

Prereqs:

- sum of interior angles of a triangle
- exterior angle theorem

Prereqs:

- exterior angle theorem