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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Interactive Unit Circle
Special Solid Trace
Mosaic
seo tool
Difference engine Babbage vb 2

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Броене.
Tessellations
Trapezoid midsegment
Dilation Scale Factor and Center
Equivalent Fractions

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Ortocentro
Circonferenza inscritta
Media aritmetica
Percentuali
Piramide