- Name: Angles in a Triangle 1
- Code: M.3.7.ANB.5
- Specification Reference: G3
- Keywords: Triangle, total, missing, subtract, add, remaining, degrees.
- Objectives: Investigate the total angles inside a triangle.
- Competency: Investigate the total angles inside a triangle.
- Proficiency: To thus be able to find missing angles in basic triangles.
- Mastery: To apply this to solving problems involving straight lines and points.