Google Classroom
Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
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.
GeoGebra
New Resources
Fraction Subtraction
အခြေခံ data အခေါ်အဝေါ်များ
bewijs stelling van Pythagoras
Converting Between Degrees and Radians
seo tool
Discover Resources
Angles in a triangle proof
practice
Function and Derivatives
IMO_2015_P3
Determinante
Discover Topics
Numbers
Scatter Plot
Tree Diagrams
Exponential Functions
Area