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Area of Circles
Author:
Raphael Chan
,
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.
New Resources
What Do You See?
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Function art 3D - waiting shed
Slope Illustrator (2)
Parabolas, Lines and Nomograms
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Start, equilateral triangle
Another arc
secant
equals 2E
Circle & Trigonometry - Edited
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Upper and Lower Sum or Riemann Sum
Vectors 3D (Three-Dimensional)
Coordinates
Arithmetic Operations
Set Theory