Systerms : system terms : Octahedron

A (41) | B (23) | C (62) | D (45) | E (33) | F (34) | G (18) | H (16) | I (28) | J (2) | K (5) | L (14) | M (29) | N (17) | O (10) | P (62) | Q (10) | R (41) | S (74) | T (31) | U (12) | V (12) | W (8) | X (1) | Y (2) | Z (2)

The octahedron is actually a big family; any polyhedron made up of eight faces is called an octahedron. But the one people usually talk about is the most regular one, the 'regular octahedron.' A regular octahedron is made up of 8 congruent equilateral triangles, has 6 vertices and 12 edges, and looks like two square pyramids joined at their bases.

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