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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
Constructing the Perpendicular Line Through a Point on the Line
apec
Example of using color palette
Conchoids of Nicomedes
Constructing the Perpendicular Line Through a Point Not on the Line
Discover Resources
goodwin got it wrong
Square without side lengths
ecuacion
Untitled
Te Waipounamu Bearings App
Discover Topics
Intersection
Integral Calculus
Logarithmic Functions
General Quadrilateral
Correlation