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GeoGebra
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Equation of a Tangent
Author:
Jonathan Robinson
Drag the red points to change the circle and tangent.
GeoGebra
New Resources
"Compressed" Astroid as Envelope
Piano. Keyboard.
van Aubel's Theorem
Construct a Square
Linear Cross Section Exercise
Discover Resources
POW #23 Circle and points
Hennis Opgave
Distance Discovery With Pythagorean Theorem
Quiz: Percent Change
Calculating Volume with Invisible Cubes
Discover Topics
Step Functions
Geometry
Planes
Circumcircle or Circumscribed Circle
Hypergeometric Distribution