Hyperboloid and projections

Author:Malin Christersson

The blue circle shows the Klein disk end the red circle the Poincaré disk. Move the blue dots to change the Klein line, the corresponding Poincaré line is the red arc.

New Resources

Parabolas, Lines and Nomograms
繪畫垂直線
Congruent Figures
Slope Illustrator (2)
Pythagorean Theorem: Extension Exercises

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Phasor addition
Corresponding angles congruent
Equivalent Fractions
Moving an object
Iccarah's enigmatic condition

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Pie Chart or Circle Chart
Polygons
Calculus
Parallelogram
Means