Cut-The-Knot Action 9!

Autor:Tim Brzezinski

Creation of this applet was inspired by a tweet from Alexander Bogomolny. Note the rectangles shown are similar to each other. How can you formally prove what this applet informally illustrates?

Nuevos recursos

Colouring of Venn Diagram
z`]]
apec
Set Operations (2 Sets)
Torus

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PetersenJ
right strophoid
The Flag of Eucdlidistan
Cosine Graph
QuadGraph
Inscribe a square

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