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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Proof of a Rhombus by Construction and Deduction
רישום חופשי
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Polynomial Division and the Remainder Theorem
Fraction Subtraction

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Angle in the same segment of a circle are equal
Circles: Expanded Form
The sum of two sides of a triangle is greater than the length of the third side
Equilateral Lightning Bolt
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Confidence Interval
Pythagoras or Pythagorean Theorem
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