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GeoGebra
PMC 2011-12 Q11
Author:
Arthur Lee
題目十一
圖中有一張三角形的紙。移動 P點可把該紙摺起，並顯示摺紋的長度。根據這些資料，找出三角形紙的面積。
New Resources
Midpoint Segments
Lorentz Transform
Kopi av Kopi av Solving Proportions
Spiral - Dariaa
testfileTue Dec 11 20:31:05 CET 20180.44171874687672075
Discover Resources
Forum_30655_B_resizePolygon
Exploring Symmetry
Trace of cat's eye
Edward 1
Relection of a point across the axis
Discover Topics
Reflection or Reflexion
Geometric Distribution
Cube
Cosine
Surface
