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Area of Circles
Author:
Bjarne
,
Anthony OR 柯志明
Topic:
Area
,
Circle
What is the area of a circle? Explore with the following applet.
GeoGebra
New Resources
以竹簽拼砌三角形
A note on Erdős’s mysterious remark
Opposite, Adjacent, Hypotenuse in a Right Triangle
Parts of a Circle
Identifying Sine, Cosine, Tangent Ratios in Right Triangles (Quick)
Discover Resources
Pedal triangle
Digi Two Dimensional 2
M-Wilson-parallelograms1
Yeet
Interior and exterior angles in regular polygons
Discover Topics
Similarity Transformation or Similarity
Reflection
Quadratic Equations
Surface
Addition