Google Classroom

GeoGebra Classroom

Incenter Animations

Author:Steve Phelps

Use the sliders a, b, and c to change the speed of points A, B, and C respectively.

Inspired by

http://blog.matthen.com/post/126844079841/for-any-triangle-you-can-draw-a-circle-that-fits

New Resources

Discover Resources

Discover Topics