Quadrilateral Surprise!

저자:Tim Brzezinski

How would you put this property (dynamically illustrated below) into words? (Applet works best if quadrilateral is kept convex.) How can you formally prove what this applet informally illustrates?

Quick (Silent) Demo

새 자료

Rolling Circles and Polygons
seo tool
Building Triangles with Set Areas
Pathway to Proof: Triangle Angles
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자료 찾기

Equidistant of segments
Construction Project
Punt mig d’un segment
Scalar times a vector
parabola

주제 찾기

정삼각형
방정식
이항분포
Sine
산술