PMC 2014-15 Q6

Author:Arthur Lee, Anthony OR 柯志明

The area of the square (which consists of 3 triangles) is 8 cm^2. The triangles can be rearranged by dragging the red dots to make a rectangle. What will be the perimeter of that rectangle?

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【案例】圆柱体内放置一个大球六个小球
算柱 (兩位數)
畫出對稱圖形
画直线等分三角形的面积
四邊形的特性

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Polygon Activity
三视图试卷讲评
Copy of 包含除法（1 ÷分數）
平面向量的三點共線定理
二次函數圖像

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Line Segment
Surface
Similarity Transformation or Similarity
Function Graph
Rhombus