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 Interactive Checkpoint
 Platonic Solids:  The five regular polyhedrons, meaning that they are polyhedrons that have faces which are congruent regular polygons and have the same number of edges meeting at each vertex.

Answer the following questions about platonic solids.

 Enter your answer in the text box and press tab to check.

Graded Response
 

a) How many vertices are on a tetrahedorn ?

 

 a) 
 

b) How many faces are on an octahedron ?

 

 b)
 c) What polygon is on every face of a dodecahedron ?  c)