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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
Segment Addition Postulate (Mild Questions)
Angle Addition Postulate (V2) - Integer Solutions
Graphing Basic and Compound Inequalities
Congruent Sides & Angles in △s: Exploration
Midpoint Theorem (V2): Integer Solutions
Discover Resources
Tangent and Normal to curve
Tessellation_picture_sequences
Tanx series
test_app
זוגיות הנגזרת
Discover Topics
Area
Upper and Lower Sum or Riemann Sum
Tangent Function
Arithmetic Mean
Volume