GoGeometry Action 23!

Author:Tim Brzezinski

Creation of this applet was inspired by a tweet from Antonio Gutierrez. White points are moveable at any time. How can you formally prove what this applet informally illustrates?

Quick (Silent) Demo

New Resources

Identify Opposite, Adjacent, Hypotenuse
Folding door
Proving Triangles Similar: Multistep Transformations
z`]]
Line Through Two Points and Slope

Discover Resources

Tangram: Arrow & Delta Wing
Perpendicular Bisector of 2 Intersecting Circles
Pochodna funkcji w punkcie
kailey wright parallelogran
Plat krone Diego

Discover Topics

Indefinite Integral
Scatter Plot
Probability
Natural Numbers
Random Experiments