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

Untitled
The Red Chair
Luxembourg Symbol
apec
Pythagorean Day

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Homework 1 MAE 6324
Unit 5 Geogebra Sketch
Quadrikphantom
SUCCESSIONS - suma de les potències inverses de 2
Урок 18
Parallel Lines & Related Angles Activity

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Standard Deviation
Orthocenter
Triangles
Mode
Natural Numbers