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Incircle, Excircles, and Nagel Points
Author:
Steve Phelps
Topic:
Circle
,
Circumcircle or Circumscribed Circle
,
Incircle or Inscribed Circle
,
Triangles
GeoGebra
New Resources
Bottema's Theorem
Introduction
Rose Curve - A Classical Construction
Slope of a Straight Line: Run and Rise
van Aubel's Theorem
Discover Resources
Regression line and sum of squares
Angle-Angle-Side
Reflect Congruent Triangles
Vertical Angle Exploration
polar
Discover Topics
Parabola
Sine
Exponent
Optimization Problems
Step Functions