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Sangaku --- extension
Author:
FUKUCHAN
Radius ratio of red and blue circle is BP:CP. Red circle is the inscribed circle with maximum radius. You can draw the following figures, using only ruler and compass.
GeoGebra
New Resources
Teorema Japonês para quadriláteros inscritos em uma circunferência
Construct a Square
History of Maths
Piano. Keyboard.
Slope Field (1)
Discover Resources
Quiz #7-8
Polygon illusion
DYME-A 7.4
Golden Rectangle Investigation
Transforming the Sine Function
Discover Topics
Parallelogram
Optimization Problems
Planes
Subtraction
Dilation