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

Taylor Series for 1/(1 - x)
רישום חופשי
Oddly Satisfying Voronoi Diagram
Untitled
Multiplying 4-Digit by 3-Digit Numbers Using an Area Model

Discover Resources

Máquina de Galton virtual
Exploring the Mean Value Theorem # 2
משפחה פרמטרית
esempio_label
Triangle Circumcenter
Rolling circle

Discover Topics

Correlation
Geometric Mean
Pie Chart or Circle Chart
Hypergeometric Distribution
Planes