PMC 2014-15 Q6

Autor: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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小数的副本
畫出對稱圖形
sanjiaohanshu
四邊形的特性
找出對稱軸

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Directed numbers
最佳解
Net of a pyramid
第五組-畢氏定理
Copie de Comparing fractions using number lines and rectangles

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Zufallsvariablen oder Zufallsgrößen
Terme
Geometrie
Stetigkeit
Normalverteilung