ENJOY MATHEMATICS in 3D
Let's cut a solid!

Let's cut cubes with a plane!


Cutting of a cube

Cutting a cube with a plane

Cut the cube from various angles. You can observe the cut surfaces from various angles.

Cabri3D File Flash Movie

Cutting the cube to create a hexagon-shaped cut surface

Is a regular hexagon-shaped cut surface created? If so, in what case?

Cabri3D File Cabri3D File Flash Movie
Cutting of a cube: sample 3
[cabri3D File]
Cutting to create a hexagon
[cabri3D File]
A hexagon-shaped cut surface
[Flash Movie]

Cutting the cube to create a pentagon-shaped cut surface

Is a regular pentagon-shaped cut surface created? If so, in what case? If not, why?

Cabri3D File Cabri3D File Cabri3D File
Cutting of a cube: sample 1
[cabri3D File]
Cutting of a cube: sample 2
[cabri3D File]
Cutting to create a pentagon
[cabri3D File]
Flash Movie Flash Movie Flash Movie
A regular triangle
[Flash Movie]
A rhombus
[Flash Movie]
Cutting to create a regular pentagon
[Flash Movie]


Let's cut cubes with a plane! Let's cut spheres and cylinders with a plane! Let's cut cones with a plane!
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Copyright (C) 2006 Department of Mathematics Education, Faculty of Education, Shinshu University All rights reserved.