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Incircle, Excircles, and the 9-Point Circle
Author:
Steve Phelps
Topic:
Circle
,
Circumcircle or Circumscribed Circle
,
Incircle or Inscribed Circle
,
Triangles
There are four circles tangent to three sides of a triangle...
GeoGebra
And one circle tangent to all four circles.
GeoGebra
New Resources
apec
Function Art 3D - Pawn
Exploding cube
Untitled
Positive and Negative Space
Discover Resources
Rectangle under parabola
Best Fit Line
Charged spheres
انتخاب شماره
Discover Topics
Algebra
Mathematics
Polygons
Natural Numbers
Quadrilaterals