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Mathematics 15 Online
OpenStudy (anonymous):

HELP!!Medal will be awarded Find the number of edges and the number of vertices of a regular polyhedron whose number of faces, each of which a triangle, is 20

OpenStudy (anonymous):

polyhedron V E F regular tetrahedron 4 6 4 cube 8 12 6 regular octahedron 6 12 8 regular dodecahedron 20 30 12 regular icosahedron 12 30 20

OpenStudy (anonymous):

thanks man!!

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