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Right Triangle Altitude
Author:
Frank Sedgwick
GeoGebra
New Resources
Rotating Points (Optical Illusion)
History of Maths
Witch of Agnesi - A Classical Construction
Introduction
Viviani's Window
Discover Resources
Optical Illusion 1
Graphs 109
ellipse
perpendicular bisectors of triangle
Graad 4 - 7
Discover Topics
Linear Equations
Trapezoid
Cone
Combinatorics
Pie Chart or Circle Chart