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GeoGebra
Area and Perimeter of a Rectangle
Author:
John Ulbright
Drag points B and C to change the dimensions of the rectangle.
New Resources
geo constructions
Goddard_Geogebra
Graph
Slope Invest
Eratosthenes measure of the circumference of Earth
Discover Resources
From a Square to a Pentagon
Developing Area Formulas
Coconuts and Bullets...
GER - Fermat, τέμνουσα, εφαπτόμενη
Polar Coordinates with addition
Discover Topics
Cone
Differential Equation
Real Numbers
Special Points
Exponent