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

Trefoil Knot
Level Curves
Quiz: Vertical Angles and Linear Pairs
Graph of y = a(x − h)² + k
အခြေခံ data အခေါ်အဝေါ်များ

Discover Resources

Removable singularity
test one
patron_cone2
piramit keşfetme
pendulum 3
Solids of Revolution
Calculating the Volume of a Sphere

Discover Topics

Centroid or Barycenter
Arithmetic Operations
General Quadrilateral
Functions
Definite Integral