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

Rule of Sarrus - Determinant of a 3×3 Matrix
רישום חופשי
Untitled
z`]]
Taylor Error Bound

Discover Resources

Tangent perpendicular to radius
Medians
side 5
Math1023, Example 12.3a

Discover Topics

Geometric Distribution
Circumcircle or Circumscribed Circle
Stochastic Process or Random Process
Algebra
Equilateral Triangles