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Why I see a double image of the moon in a window?
Author:
Giovanni Organtini
GeoGebra
Multiple images
This activity has been triggered by a question on X (formerly Twitter) by Joe Milliano
New Resources
Explore the invariant lines of matrix {{-2,5},{6,-9}}
Exploring the Derivative of an Exponential Function
Poorly Drawn Parallelograms 3
alg2_05_05_01_applet_exp_flvs
Poorly Drawn Parallelograms
Discover Resources
Graphing Trig Functions
Summation of Area ( Riemann Sums)
Ταχύτητα
step 8
Solving Multi-Step Number Problems
Discover Topics
Polynomial Functions
Optimization Problems
Conic Sections
Similar Triangles
Function Graph