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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
Average Rate of Change: Graph a Function (2)
Explore the invariant lines of matrix {{-2,5},{6,-9}}
Parallelograms: Quick Investigation
Poorly Drawn Parallelograms
Exploring the Derivative of an Exponential Function
Discover Resources
Centres of a Triangle and the Euler Line
esmeralda puente
The Integral
H2M L9 Q6
Polygons: Exterior Angles
Discover Topics
Inequalities
Logic
Volume
Isosceles Triangles
Integers