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penrose triangle
Author:
Niek Sprakel
GeoGebra
New Resources
Bibi Khanum entrance gate - verticale stroken - ks
Area of the Shaded Region (1)
Gur Emir wall pattern - ks
One Point of Inflection
Bibi Khanun mosque - gear pattern - ks
Discover Resources
Find the centre of rotation by construction
Window-end
Domain and Range Visual #1
How to construct and isosceles triangle
Quadrilateral Fractal Time-Waster
Discover Topics
Statistics
Pie Chart or Circle Chart
Tangent Function
Combinatorics
Percentages