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PMC 2011-12 Q9
Author:
Arthur Lee
題目九
GeoGebra
移動E點使兩個三角形同時變成等腰三角形。然後記錄AE,BE,CE,DE的長度。
New Resources
cylinder net slider
Ellipse as Envelope - Correspondence Method
History of Maths
Spinning cube - Belt Trick
Ellipse, Hyperbola and Circle as Envelopes
Discover Resources
Exponential curve y = a^-x
T2 מיכאל סעיף אחרון
square construction
Turquía (Kayseri): Triángulo equilátero.
Example 3
Discover Topics
Statistics
Vectors 2D (Two-Dimensional)
Statistical Characteristics
Arithmetic Operations
Interest Calculation