From a given cube create another cube with twice the volume.
the cube: 5cm each.
Hello,
This answer depends critically on the tools you are permitted to use.
It is a famous problem in geometry that a cube cannot be doubled using
a straightedge and compass.
Check out Wikipedia for a quick overview of the problem: http://en.wikipedia.org/wiki/Doubling_the_cube
Tyler
Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences.