This ABC Education video shares how you can use 3D objects as a measurement tool. It uses a tetrahedron to show how a forester can plant trees the exact same distance apart across hilly ground.
Architects and builders measure length in three dimensions, and even more creative careers like sculptors use a form of 3D to achieve symmetry in their artwork. And if you’ve ever looked at a beautifully constructed department store window, the same principles apply.
