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

Slope and Road Signs
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Angle Addition: Warm Up Exercises
Model sferyczny - sześcian-ośmiościan
Hyperbolic Paraboloid

Discover Resources

day 78
Fit Polynomial Symmetry
Graph Paper
Examples of Mazes
cycloide

Discover Topics

Logarithm
Correlation
Cosine
Continuity
Intersection