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Author:
Bård S. Johannessen
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Stairs (Optical Illusion)
Linear Cross Section Exercise
Bottema's Theorem
A retro cityscape with mathematics
Construct a Square
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Graphs
Application of Trigonometry
The Horse Illusion
Approximating Definite Integrals by Riemann Sums
max y min en 3D
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Similar Triangles
Orthocenter
Histogram
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