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GeoGebra
三巧板：題 2
Author:
Anthony OR 柯志明
New Resources
tangente approach
triangle centers
Angle of Elevation and Depression
random number
Area of a circle
Discover Resources
Circonferenza di Feuerbach, dei nove punti o di Eulero.
An Arc Angle Angle Theorem
Angry bird in general form
inverse_Cotangent
Square Cross Section: Step 5
Discover Topics
Calculus
Intersection
Perimeter
Percentages
Indefinite Integral
