Proof of property about convex 2k-gons

Author:Brad Ballinger

The claim is: given a convex polygon with an even number of sides, there must always be some diagonal that is not parallel to a side. This file supports my answer at http://qr.ae/TUGrER

New Resources

Exploding cube
Silhouettes without gaps and isolated
Science Park 1
Two-Way Tables and Ven Diagrams
The black friday GeoGebra :)

Discover Resources

Circle Functions
mom3_αμαξίδια
Bumburtsug
त्रिकोणाच्या बाजू दिल्या असता त्रिकोणाचे क्षेत्रफळ काढणे ( Heron’s formula )
how to draw Bezeir curve

Discover Topics

Rhombus
Linear Equations
Circle
Symmetry
Bar Chart or Bar Graph