GoGeometry Action 9!

Author:Tim Brzezinski

Creation of this applet was inspired by a tweet from Antonio Gutierrez. Feel free to move any of the BIG POINTS anywhere you'd like. How can you formally prove what this applet dynamically illustrates?

New Resources

Positive and Negative Space
Silhouettes
The Cosine Formula - Proof Without Words
רישום חופשי
Rolling Triangle

Discover Resources

TIA17 Complex Numbers
Unmessupables
Angles of Triangles
Angle Bisector
Express the solution of an inequation

Discover Topics

Tangent Function
Kite
Differential Calculus
Isosceles Triangles
Linear Functions