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A slicker ray diagram
Author:
Joe Rowing
GeoGebra
A better ray diagram
In this diagram there are a number of "hidden" construction lines. The points and lines you can see are constrained to move along these such that the diagram stays "correct" as you move them
New Resources
Witch of Agnesi - A Classical Construction
van Aubel's Theorem
Slope Field (1)
Viviani's Window
Ellipse as Envelope - Correspondence Method
Discover Resources
Level 9 Portfolio
Angle Copy P5
Areas of Deconstructed Parallelogram
Find the Derivative Function: Sin(x)
Four concyclic triangle centers
Discover Topics
Addition
Angles
LCM and GCD
Surface
Trigonometry