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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
GeoGebra around GeoGebra
bewijs stelling van Pythagoras
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Tube at distance of a 3D curve.
Sticky point to list of points
Discover Resources
Practice Task AS91256 Reflection Task (16 May 2016)
angle bisector
square vertex homework
Copie de Addition of Fractions with Unlike Denominators
Covariance
Discover Topics
Rectangle
Tangent Line or Tangent
General Quadrilateral
Polygons
Vectors