Cut-The-Knot Action 9!

Auteur: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?

Nieuw didactisch materiaal

גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Dilation + Rotation of Pentagons
Torus
Dividing a 3-digit number by a 1-digit number (1)
bewijs stelling van Pythagoras

Ontdek materiaal

Circles
Euler Line
Para
LZ 7.9.12.1 Measuring Distances with the Trundle Wheel
Untitled

Ontdek onderwerpen

Kwadratische vergelijkingen
Boomdiagram
Coördinaten
Omgeschreven cirkel
Combinatieleer