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Perception illusion II

Author:Juan Carlos Ponce Campuzano

Drag point in the centre.

New Resources

Billard V5.2 and V6
Visualizing the Pythagorean Identity with Sine and Cosine
apec
GGB is Awesome!
Average Value of a Function

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Rotation Toy
Optimized Circle Inscribed in an Isosceles Triangles
Distance #1
Green in both way
HKCEE 2011 Paper 2 Question 50

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Tangent Line or Tangent
Ratios
Symmetry
Derivative
Special Points

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