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Demo - Area of Circles
Author:
Richard
,
Anthony OR 柯志明
Topic:
Area
,
Circle
,
Perimeter
What is the area of a circle? Explore with the following applet.
GeoGebra
Anthony Or, GeoGebra Institute of Hong Kong.
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Explore the invariant lines of matrix {{-2,5},{6,-9}}
Discover Resources
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Centroid or Barycenter