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Incenter
Author:
Beth Stilwell
The incenter is drawn using the angle bisectors. The red lines are perpendicular to the sides through the point of concurrency.
GeoGebra
New Resources
Ellipse, Hyperbola and Circle as Envelopes
Cross Product in 2D and 3D
Linear Cross Section Exercise
Teorema Japonês para quadriláteros inscritos em uma circunferência
"Compressed" Astroid as Envelope
Discover Resources
MTED 511
GeoBebra
Emi's Dynamic Unit Circle
Cycles de 5 nombres ! Curiosités !
Euler, complex numbers and unit circle
Discover Topics
Conditional Probability
Surface
Mode
Quadratic Functions
Curve Sketching