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

Cobb-Douglas Production Function
koch tool
bewijs stelling van Pythagoras
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Nikmati Keunggulan Di Bandar Judi Terpercaya

Discover Resources

Triangle Area
Alternate Angles
Rectangle Construction
Trapezoid project
Olivia

Discover Topics

Isosceles Triangles
Differential Calculus
Pyramid
Line Segment
Rectangle