GoGeometry Action 63!

Author:Tim Brzezinski

Creation of this applet was inspired by a tweet from Antonio Gutierrez. Feel free to move any of the triangle's vertices anywhere you'd like. How can we formally prove what is informally illustrated here?

Quick (Silent) Demo

New Resources

Golden Rectangles and Golden Spirals
Quiz: Identifying Opposite, Adjacent & Hypotenuse
רישום חופשי
bewijs stelling van Pythagoras
以竹簽拼砌三角形

Discover Resources

MAT 241 Heorn's Formula 2.0
types of triangles
"What-If" Project (Regular Complete Pentagons)
Cube on a cylinder
Copia di Fraction Addition

Discover Topics

Scalene Triangles
Cone
Exponent
Ratios
Pythagoras or Pythagorean Theorem