The 9-point Conic

Author:Steve Phelps

In a complete quadrilateral, the midpoints of the six sides (AB, BC, CD, DA, BD, and CA) and the three intersections of the opposite sides (E, F, and G) - nine points in total - lie on a conic.

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גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
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bewijs stelling van Pythagoras
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