Incircle, Excircle, and Dandelin Spheres

Författare/skapare:Steve Phelps

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.

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Congruent Figures
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
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