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

Sticky point to list of points
Constructing the Copy of an Angle + Angles Activities
apec
Monge's Theorem
Proving Triangles Congruent (2): One Step Transformations

Discover Resources

Isosceles Trapezoid Properties
oops
bicikl
HW_3_ex_9
convert the fraction to decimal

Discover Topics

Exponential Functions
Trigonometry
Functions
Mode
Integers