inscribed circle centers of tangent circles

ב1 עמוד 368 תרגיל 25

use scroll bar to unfold problem. what is the relation between points D, E, F and the inscribed circle in triangle ABC? points A, B, C and D can all be moved around. try it.

Nuevos recursos

רישום חופשי
Billard V5.2 and V6
seo tool
bewijs stelling van Pythagoras
Tetrahedron String Art

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Gradient function of a parabola
Nonagon - 1260
Midpoint Angle
ROTASI
ทฤษฎีบทปีทากอรัส

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Distribución normal
Hipérbola
Enteros
Características estadísticas
Ortocentro