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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
Play C3 E3 G3 C4_C4
Angles and Intersecting Lines: Quick Investigation
"Compressed" Astroid as Envelope
Rotating Points (Optical Illusion)
Isosceles Triangle: Quick Construction
Discover Resources
JuliaFulfaro-98gh76yz
circumcenter
Venn diagrams
Side Side Angle
Gordon's Kaleidoscope
Discover Topics
Statistical Characteristics
Histogram
Plane Figures or Shapes
Sphere
Prism