Lentes côncavas e convexa

作者：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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CPMP Course 2, Unit One, Lesson 1, Inv. 1: On a Roll p. 5
geo city
Tension "Calculator"
UNIT 11 SKETCH

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圓錐曲線
圓
矩形
Pythagoras or Pythagorean Theorem
周長

Lentes côncavas e convexa

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