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Incircle, Excircle, and Nine-point Circle
Author:
Steve Phelps
The Nine-point circle is internally tangent to the incircle and externally tangent to the three excircles.
GeoGebra
New Resources
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Simplifying Radicals: Geometric Thin Slice
aMazing Patterns
Supplementary Angles
Tracing the Ellipsoid with Ellipses
Discover Resources
Sprite sizes and Offset vs. Perceived distance 17
חלק 3 נאוה
Exploration 1
SquareJanasek
Logo Lineas aereas del Noroeste