17. Möbius triangle. Make a 1-inch-wide Möbius band, lay it like a circle on a table, and carefully flatten it (thus making three folds). What shape do you have? What is the shortest flattened Möbius...

Extracted text: 17. Möbius triangle. Make a 1-inch-wide Möbius band, lay it like a circle on a table, and carefully flatten it (thus making three folds). What shape do you have? What is the shortest flattened Möbius band that you can make? Please build one.