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Angle sum in a triangle
Author:
Ng Sin Ee
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Dice Rolling Simulation (2)
Ellipse and String
Parabola, Focus, Directrix
GeoGebra News - September 2021
Trig Reference Circle: Choose Your Own Radius
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ramo's Microeconomics teaching aids
Area of a Circle
Creating Congruent Triangles
Supply Curve
Cubo: AR Exploration
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Orthocenter
Coordinates
Exponential Functions
Surface
Percentages