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

רישום חופשי
Pathway to Proof: Triangle Angles
functionartculture
Superellipse
Untitled

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Querschnittsplotter für 3D Chladni Figuren
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Hexagram
drawing angles
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พื้นผิวในปริภูมิ 3 มิติ

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Moda
Triángulos Rectángulos
Álgebra
Sólidos
Vectores 2D (dos dimensiones)