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An Unexpected Right Angle
Bayes' Theorem
Circle as a limit of polygons
Circles of Apollonius
Combining Numbers
Complex logarithm
Constructing the square root
Cube roots, branch cuts, and Wolfram Alpha
Domain and Range
Eight Queens
Ellipse in a Box
Equilateral triangle and regular 9gon
Eratosthenes measures Earth
Hinged squares
Lights Out
Logarithmic Spirals and Exponentiation
Math Video Sites
Missing square puzzle
Parabolas through three points
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Circle as a limit of polygons
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This applet illustrates the idea that a circle is a limit of regular nsided polygons as n approaches infinity. The color sliders have no mathematical purpose, but hopefully make the applet more fun to play with.
polycircle.ggb
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