Te reo Māori terms
click each term to open in Te Aka
Learning objective overview
Master Teaching Guide coverage for this objective.
Current NZC (2007)
GM5-5
New NZC (2026)
NZC26-P4-GEO-SHP-K-Y9-02
Resources
- CorbettMaths - Angles in PolygonsQuestions PDF · Answers
- CorbettMaths - angle properties of polygonsQuestions PDF · Answers
Terminology
- Interior angle
- Exterior angle
- Regular polygon
- Irregular polygon
- Angle sum
Task goals
- Use the interior angle sum formula (n-2) x 180 degrees to find the total interior angle sum of a named polygon and calculate one missing interior angle.
- Calculate each interior and exterior angle of a regular polygon.
- Use the fact that the exterior angles of any polygon sum to 360 degrees to find the number of sides of a regular polygon.
- Solve multi-step problems combining interior and exterior angle relationships in irregular or composite polygons, justifying each step with the angle property used.
Where this fits
What leads into this objective, and where it goes next.
Before
No prerequisite objective linked yet.
You are here
Angles in Polygons
Also under GM5-5:
For teachers
Need the fuller teaching notes for this objective? Open the Teacher guidance PDF.