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

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Prism Drawn in 2-Point Perspective
Average Value
函數的單調性
רישום חופשי
Neuberg's Theorem

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Problem 8 - page 88
Find the "space" diagonal:
Fraction Division 1 : a ÷ b (partitive)
circle
Semi-rigid cube

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Cone
Constructions
Combinatorics
Pie Chart or Circle Chart
Geometric Distribution