Recent content by Mishiko

I am having trouble understanding why this is the case. At first I thought that we could not do this for a cube because the corner is a point and thus it has no length, width, or thickness, and as a result the middle of the cube could not balance on the corner. However, doesn't the same problem...

Thanks so much guys. A few more questions Do you have a more intuitive definition, maybe along the lines of what Tinyboss gave? After all, it is an elementary Geometry book meant for those in grades 7-9. That is what I was thinking, but then one of the questions at the end of the section...

I am reading through Kiselev's Geometry: Book I. It is a plane geometry textbook and in the introduction it says the following "One can superimpose a plane on itself or any other plane in a way that takes one given point to any other given point, and this can also be done after flipping the...