Convex Lense

Author:krishna kishore eduri, Tom Walsh

Move the tip of the "Object" arrow to move the object. Move the point named " Focus' " to change the focal length. Move the point named " Focus' " to the right side of the lens to change to a concave lens.

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bewijs stelling van Pythagoras
Area of a Trapezoid
Parallelogram Anatomy
Perimeter of Rectangle
Mondrian's Puzzle

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Two englargement methods
enfslgh
Multiple Ejections Versus Rocket Equation
exploring parabolas
Pythagoras tree Affine 3 for Juan Carlos

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Centroid or Barycenter
Cone
Polynomial Functions
Parallelogram
Triangles