Proof of property about convex 2k-gons

作成者: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

新しい教材

Celsius ↔ Fahrenheit Converter
רישום חופשי
The Gardener's Ellipse
Focus and Directrix
Regular Star Polygons

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problem 1
Geogebra Thing
Perpendicular to a Segment Through a Non-collinear Point
Secant

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不定積分
面積
鏡映
角
自然数