Proof Without Words

Author:Steve Phelps

Drag the points. Drag the slider. What do you notice? What does it prove? How does it prove? Sincere thanks to Luis Guillermo de la Rosa Jiménez http://www.geogebratube.org/luisgdelarosa

New Resources

Golden Rectangles and Golden Spirals
A note on Erdős’s mysterious remark
רישום חופשי
International Day of Mathematics 2025
Balls in an Urn

Discover Resources

Rolling in the Deep
Rotations Practice
Practice project
เรือเล็กออกจากฝั่ง
Hình 2.5 trang 45

Discover Topics

Rectangle
Hypothesis Testing
Inequalities
Diagrams
Matrices