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umbra and penumbra / Halb- und Kernschatten
Author:
mathe-wiki.com
construction of umbra and penumbra of an object illuminated by to sources of light.
GeoGebra
New Resources
Cube of a Binomial - Volume Model
bearing HK
What is an Isogonal Conjugate?
Rings of circles
Droste effect
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line
Isosceles Trapezoid theorem (3 different theorems)
รูปคลี่พีระมิด
Cópia de Solução do Sistema Linear de 3 equações: Interseção?
EAC 3 - Simulation 1
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Complex Numbers
Mode
Pythagoras or Pythagorean Theorem
Tangent Line or Tangent
Cone