GoGeometry Action 53!

Topic:Angles, Incircle or Inscribed Circle, Right Triangles

Creation of this applet was inspired by a tweet from Antonio Gutierrez. What is the measure of the blue angle? How can we formally prove this true?

Quick (Silent) Demo

New Resources

Linear Equation Graphs: Thin Slice
Pythagorean Theorem: Extension Exercises
Perpendicular Lines: Quick Exploration
What Do You See? (2)
apec

Discover Resources

Isaiah's House
geometri(serpenescki)
Math Homework 4/2/15
Inclinação de uma reta
birkmeier x and y axis reflection
The Pythagorean Theorem - Moving Point A

Discover Topics

Intersection
Parabola
Translation
Normal Distribution
Multiplication