- Name: Angles in Polygons Investigation
- Code: M.3.7.ANB.8
- Specification Reference: G3
- Keywords: Polygon, total, interior, exterior, problem, missing.
- Objectives: To measure angles in polygons and thus find interior totals.
- Competency: To measure angles in polygons and thus find interior totals.
- Proficiency: To deduce a rule for the size of angles in polygons.
- Mastery: To be able to find missing angles in basic polygons using this rule.