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Look at the eyes!
Author:
Monika Schwarze
Look at the eyes! Construction by Matthias Mertens, a Belgian students who has won the GeoGebra Contest.
GeoGebra
New Resources
Ellipse as Envelope - Correspondence Method
van Aubel's Theorem
Slope of a Straight Line: Run and Rise
Stairs (Optical Illusion)
Angles and Intersecting Lines: Quick Investigation
Discover Resources
Math 254 Spherical Coordinates
Punt verplaatsen
Inequalities in 1 Triangle - Part 2
Projectile motion
Möbius strip
Discover Topics
Continuity
Probability
Rhombus
Circumcircle or Circumscribed Circle
Logic