Interior and exterior angles of polygons investigation (using triangles)
Complete lesson on investigating the angles in polygons.

Ideal for a higher ability class that need focus on the formulae and where they come from / a recap of exterior and interior angles.
Save for later
  • Splitting-polygons-into-triangles-investigation.docx
  • Starter---Calculating-Exterior-angles.doc
  • Sum-of-interior-angles-of-a-polygon-using-triangles.notebook

About this resource


Created: Nov 7, 2016

Updated: Apr 26, 2020

docx, 30 KB


doc, 230 KB


notebook, 1 MB


Report a problem

Tes Paid Licence

How can I re-use this?