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angle at centre twice angle at circumference
Author:
Li HC
GeoGebra
New Resources
Poorly Drawn Parallelograms 3
Poorly Drawn Parallelograms
探究由平行線和截線所成的角
Droste effect
Average Rate of Change: Graph a Function (1)
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KaraGeoGebra
Cutting Strips from a Square
temp
F2_Ch11.1_三角學(對鄰斜)
Max and Min
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Translation
Fractal Geometry
Linear Functions
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Similar Triangles