How many Platonic solids are there? Only 5! Definition from Math is Fun: A Platonic Solid is a 3D shape where: each face is the same regular polygon the same number of polygons meet at each vertex (corner) Example: the Cube is a Platonic Solid each face is the same-sized square 3 squares meet at [...]

### Countdown to Powers of Ten Day

- 10/10/10 2148 days ago