Copy of opening a cube

Author:Natalia, Arthur Lee

A cube is divided into 6 congruent right pyramids. Drag the yellow dot to 'close' the cube. This shows the volume of a square base pyramid with height equal to half its base edge.

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အခြေခံ data အခေါ်အဝေါ်များ
apec
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Calculations of Pyth's Theorem 1 (畢氏定理的計算 1)
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Numbers
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