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Exploring Eccentricity
Author:
Alison Middelkoop
Exploring Eccentrity (original M. Agrata Abdullah )
GeoGebra
New Resources
Stairs (Optical Illusion)
van Aubel's Theorem
Ellipse as Envelope - Correspondence Method
Isosceles Triangle: Quick Construction
Rotating Points (Optical Illusion)
Discover Resources
Transformations
Geogebra Tutorial: Line Design Complete
Optical illusion
what is cotangent using similar triangles
Perpendicular from a line to a point
Discover Topics
Trapezoid
Tree Diagrams
Parametric Curves
Subtraction
Confidence Interval