Quick Reference ~ A maths Dictionary for Kids by Jenny Eather Email jeather@iprimus.com.au A Maths Dictionary for Kids by Jenny Eather at www.amathsdictionaryforkids.com


Oo

octahedron

• an octahedron is any polyhedron with 8 flat faces.
• a regular octahedron is one of the Platonic solids having
8 congruent faces that are equilateral triangles,
4 meeting at each vertex.

EXAMPLES:
octahedron
the Platonic solids


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