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GeoGebra
New Resources
Paradoxes on π
Arc Length and Sector Area
Umbrella Holder
Lambourghini Turning Angles
Pythagorean Theorem (Special Case)
Discover Resources
Coordinate Geometry
TRISEG
Supp Example
String art (on equilateral triangle) & symmetry - rotations
Guess the Angle Game
Discover Topics
Rectangle
Pie Chart or Circle Chart
Combinatorics
Cone
Vectors