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Figure 11.11. The butterfly theorem
Author:
Gabriel D
GeoGebra
New Resources
Shells
Reflection = 180° Rotation about a Line
Equation of Locus - Parabola
Exploring GeoGebra for the First Time
Triangle with 3 Right Angles
Discover Resources
circleRel04
Privalov, David - Angle Bisector
Lesson No.10: Distance of a point to a line
Circles!
Transformations
Putting on Shoes and Socks
Discover Topics
Parallelogram
Trapezoid
Congruence
Orthocenter
Incircle or Inscribed Circle