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Description
What happens if you let the vertices of a polyhedron wander around in circles? The edges have to strain to stay connected, and the faces may not all be planar, but don't judge. There are 12 "faces" and 20 wiggling green vertices. Can you find how many edges there are, without counting?

Description
What happens if you let the vertices of a polyhedron wander around in circles? The edges have to strain to stay connected, and the faces may not all be planar, but don't judge. There are 12 "faces" and 20 wiggling green vertices. Can you find how many edges there are, without counting?