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Copy of (original) Area of Circles
Author:
Joseph Kim
,
Anthony OR 柯志明
What is the area of a circle? Explore with the following applet.
GeoGebra
Anthony Or, GeoGebra Institute of Hong Kong.
New Resources
Viviani's Window
Stairs (Optical Illusion)
Piano. Keyboard.
Pelecoid
Slope of a Straight Line: Run and Rise
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Quadratic Coefficient Exploration
Unit 3 Sketch
Grade 8 & 9 Geometry
Yamuğun Alanı
Circle Theorem: Tangents
Discover Topics
Area
Constructions
Complex Numbers
Logic
Confidence Interval