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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
Multiplying 2-Digit x 2-Digit Numbers Using an Area Model (2)
Untitled
အခြေခံ data အခေါ်အဝေါ်များ
apec
Rolling Triangle
Discover Resources
pict1000words
Ellipse LAb
Formule della somma di seno e coseno - Sum formulae sin/cos
New theorem of Pythagoras
Tom (from Tom and Jerry)
Discover Topics
Calculus
Arithmetic Operations
Similarity Transformation or Similarity
Rational Numbers
Multiplication