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Incircle, Excircle, and Dandelin Spheres
Author:
Steve Phelps
Topic:
Sphere
In the plane, the excircle and incircle are tangent to a side of the triangle. These points of tangency are the foci of an ellipse formed by
Dandelin Spheres
.
GeoGebra
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רישום חופשי
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
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