Cut-The-Knot Action 9!

Author: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?

New Resources

Random Polar Curve (3)
Cartesian vs Polar
Model sferyczny - sześcian-ośmiościan
Rolling Circles and Polygons
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם

Discover Resources

Pentominoes
Black Shaded areas
Pythagorean Theorem Demo
Untitled

Discover Topics

Kite
Difference and Slope
Coordinates
Set Theory
Rational Numbers