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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
Poorly Drawn Parallelograms 3
Taylor Polynomial
探究由平行線和截線所成的角
Parallelograms: Quick Investigation
Exploring the Derivative of an Exponential Function
Discover Resources
The formula for the sum of the 3rd powers
Coordinate_Game
Forming the Cosine Graph
equilateral triangle construction
Three Planes Intersecting on a Line
Discover Topics
Complex Numbers
Geometric Mean
Expected Value
Correlation
Similar Triangles