Puzzles
Folding tube maps
Back in 2012, I posted instructions for folding a tetrahedron from tube maps. When tube maps are used, the sides of the tetrahedron are not quite equal. What ratio would the rectangular maps need to be in to give a regular tetrahedron?
If you enjoyed this puzzle, check out Sunday Afternoon Maths V,
puzzles about 2d shapes, or a random puzzle.
puzzles about 2d shapes, or a random puzzle.