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Pins and string
Author:
Malin Christersson
To answer a Tumblr question: Curve drawn by using three pins and a string. The curve is piecewise defined by six elliptical arcs. Move the dots to see another shape!
GeoGebra
New Resources
van Aubel's Theorem
Teorema Japonês para quadriláteros inscritos em uma circunferência
"Compressed" Astroid as Envelope
Construct a Square
Napoleon's Theorem
Discover Resources
Limits of Functions
Demo of Construction Steps of Angle Bisector
Transforming Functions
test
Untitled 11
Discover Topics
LCM and GCD
Poisson Distribution
Exponent
Distributions
Parabola