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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Viviani's Curve
Rose Curve
Trefoil Knot
Slope Between 2 Points (Phase 2)

Descubrir recursos

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Dad Triangles
Exploring Rotations
Wallpaper p4

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Diferencia y pendiente
Diagrama de cajas
Exponente
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