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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
Silhouettes
Free fall
Floch, fractal, iteration, custom tool.
Science Park 1
အခြေခံ data အခေါ်အဝေါ်များ
Discover Resources
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Circle equation with Center and a passing point
รูปคลี่พีระมิด
SSS congruence
Create a Logifaces Brick
Discover Topics
Rational Numbers
Geometry
Conditional Probability
Unit Circle
Root