GeoGebra

Internal and External Angles of Polygons

Jump to: navigation, search

Angle Properties of Polygons are illustrated here. The formulae for the sum of internal angles and external angles of n - sided polygons (up to n =20) is shown in the applet Angle Properties of Polygons

Ggb-anglepropertiesofpolygons.jpg


The file is downloadable at regularpolygon3to20_int_extangles.ggb

Feel free to modify it. I welcome feedback at lewweisern@gmail.com