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GoGeometry Action 13!
Author:
Tim Brzezinski
Topic:
Circle
,
Secant Line or Secant
Creation of this applet was inspired by a
tweet
from
Antonio Gutierrez
. In the applet below, the
blue circle
and
green circle
are concentric circles.
How can you formally prove what this applet informally illustrates?
GeoGebra
Quick (Silent) Demo
New Resources
"Compressed" Astroid as Envelope
Construct a Square
Rotating Points (Optical Illusion)
Drag that Point!
Teorema Japonês para quadriláteros inscritos em uma circunferência
Discover Resources
Multiply unit fractions
Triangle 2
Seite 50, Übung 3 (Pyramide im Wasser)
Цикъл на Карно
NS2-02-XT2 (Like terms across groups)
Discover Topics
Angles
Median Line
Probability
Ellipse
Geometric Mean