The Feuerbach Point

Autore: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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גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Shells
Volume by Shells Around y
Reflection = 180° Rotation about a Line
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Calculus Project 5
Verticle, Alternate Interior, and Suplementary angles.
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สามเหลี่ยมพีทาโกรัส
fonction affinepub

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