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

bewijs stelling van Pythagoras
Drunk Parabola
Quiz: Vertical Angles and Linear Pairs
Circles - Relative Positions
Math Art Construction

Discover Resources

Reflection-8
Final project
Tangent to Quadratic Curve
Bald Eagles with Linear Example
help

Discover Topics

Linear Functions
Histogram
Hyperbola
Sine
Subtraction