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Teorema di Feuerbach
Author:
Marcello PEDONE
Il cerchio inscritto è tangente internamente al cerchio dei nove punti e questo è tangente esternamente ai tre cerchi ex-inscritti.
GeoGebra
New Resources
Graph that Function
רישום חופשי
Periodic function defined on [a,b]
Creating a navigation bar to show steps for geometric constructions
seo tool
Discover Resources
Comparison Distribution
Graph of exercise 7.1
Center of a circle
Rectangle #4
graphing a line
Discover Topics
Vectors 2D (Two-Dimensional)
Pie Chart or Circle Chart
Piecewise Functions
Exponential Functions
Integers