A description of how to make the five Platonic solids out of paper.
This problem is about investigating whether it is possible to start at one vertex of a platonic solid and visit every other vertex once only returning to the vertex you started at.
Toni Beardon has chosen this article introducing a rich area for practical exploration and discovery in 3D geometry
Here you see the front and back views of a dodecahedron. Each vertex has been numbered so that the numbers around each pentagonal face add up to 65. Can you find all the missing numbers?