Copy of opening a cube

作者：丁明智, 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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a level maths
Eigenvalues & Eigenvectors (3 by 3)
Virginia Barker, Thursday
Protractor Postulate (2)
Lines of Symmetry

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錐體
Linear Equations
分數
Plane Figures or Shapes
分佈

Copy of opening a cube

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