The Regular Polyhedra
There are five convex regular polyhedra, known as the Platonic solids, and four regular star polyhedra, the Kepler-Poinsot polyhedra:
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Famous quotes containing the word regular:
“While you’re playing cards with a regular guy or having a bite to eat with him, he seems a peaceable, good-humoured and not entirely dense person. But just begin a conversation with him about something inedible, politics or science, for instance, and he ends up in a deadend or starts in on such an obtuse and base philosophy that you can only wave your hand and leave.”
—Anton Pavlovich Chekhov (1860–1904)