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
Graphs of Rational Expressions
Nikmati Keunggulan Di Bandar Judi Terpercaya
seo tool
Task 3 - Custom Solid 1

Discover Resources

Heights of Parallelograms
Forum 8 43957 A TableText
Waste
Day 83
Möbius Strip
Converse of Alternate Exterior Angles Converse Theorem

Discover Topics

Surface
Integers
Similar Triangles
Special Points
Set Theory