Lentes côncavas e convexa

Author:Sandro Ricardo De Souza, 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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How to Draw a Cube in 2D
Thales' Intercept Theorem
Position Vector and Derivative Vector
Proving Triangles Similar: Multistep Transformations
Line Through Two Points and Slope

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cube length
Transformations of a Triangle
graph-1
Problem 3.1
Spirograph Exploration

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Vectors 2D (Two-Dimensional)
Sequences and Series
Angles
Unit Circle
Equilateral Triangles