Q.

The solid formed by 12 equal and regular pentagons as faces is called                      

A. plantonic solid
B. dodacahedron
C. icosahedron
D. pyritohedron
Answer» B. dodacahedron
Explanation: plantonic solid is a regular convex polyhedron. dodecahedron is one of the plantonic solid. icosahedron is a solid which has twenty equal sized equilateral triangles as faces. pyritohedron is the irregular dodecahedron.
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