The Feuerbach Point

Autor:Steve Phelps

Construct the incircle and the three excircles of a triangle. The nine-point circle is tangent to all four circles. The point of tangency of the nine-point circle and the incircle is the Feuerbach Point.

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အခြေခံ data အခေါ်အဝေါ်များ
Rolling Circles and Polygons
bewijs stelling van Pythagoras
Building Figures with Set Areas
רישום חופשי

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Circumcenter Lab
Module 4 Sections 2.7/2.8 applet
Electrostatic Force at an Angle
circle circumscribing a triangle

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Konstrukcje
Prostokąt
Kombinatoryka
Współrzędne
Ostrosłup