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The mirror that wasn't
Author:
Jonathan Holland
GeoGebra
One line is reflected in a plane. If we do not also reverse the orientation of space, then we do not get a proper mirror image effect.
New Resources
Supplementary Angles
Stairs (Optical Illusion)
Ellipse, Hyperbola and Circle as Envelopes
Witch of Agnesi - A Classical Construction
Pelecoid
Discover Resources
exploring quadratics 2.0
Locus - Point of division
Discrete vs. Discrete
เรือเล็กควรออกจากฝั่ง
Stopping distance modelling
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Inequalities
Coordinates
Circumcircle or Circumscribed Circle
Fractions
Square