The Feuerbach Point

作成者: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.

新しい教材

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montecarlo circles 5
רישום חופשי
Area Between Two Curves
seo tool

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Frieze Group
On Rotating and Rolling
ITA - Θεώρημα τέμνουσας-εφαπτομένης
Gapic
Untitled

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角
二次方程式
有理数
球面
放物線