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Concave and Convex Lenses
Author:
Dr Mark Fernihough
,
Tom Walsh
GeoGebra
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.
New Resources
Parallel or Not? (V2)
van Aubel's Theorem
Angles and Intersecting Lines: Quick Investigation
Teorema Japonês para quadriláteros inscritos em uma circunferência
Rose Curve - A Classical Construction
Discover Resources
Random Points and Polygons in Motion
fjkaraoke0
Angle Addition (Values Shown)
Assignment 1 GeoGebra
ДЗ 30.01 слайд 1
Discover Topics
Complex Numbers
Circumcircle or Circumscribed Circle
Expected Value
Arithmetic
General Quadrilateral