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

Pendulum Snake
Snake year !
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רישום חופשי
Constructing the Copy of an Angle + Angles Activities

Discover Resources

Conic Sections on the Polar Plane
TEST 1 Munnawn
Kool
Quadrilateral Quiz
Student Explorer WMS395

Discover Topics

Random Experiments
Median Line
Power Functions
Numbers
Real Numbers