Copy of Feuerbach's Theorem

Author:cornel welster, V8frr

Feuerbach's theorem, which states that the nine-point circle is tangent to the three excircles of the triangle as well as its incircle. Drag A, B and C to see that this reamins invariable for any triangle.

New Resources

The Coordinate Plane (Cartesian Plane)
Parallel Lines and Angles: Thinking Classroom Exploration
巧算長方形周界
Parallel Lines & Related Angles: Quick Reminders
Nikmati Keunggulan Di Bandar Judi Terpercaya

Discover Resources

יחידה 1 יישומון 1
Spring Flower Animation
trapezoid
Jaring-jaring Kubus
Turtle

Discover Topics

Kite
Differential Calculus
Inequalities
Circumcircle or Circumscribed Circle
Algebra