Sum of Interior Angles of Polygones

Author:
Eda Nur Sezer
Topic:
Angles
Look at the relation between sum of angles and number of sides of polygons.
GeoGebra Applet
  • Change n and look at changes in interior angles.
  • After first step, now look at changes in sum of interior angles.
  • Finally, try to discover proper formula in order to find sum of interior angles of polygons.

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