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

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

(a) plantonic solid

(b) dodacahedron

(c) Icosahedron

(d) pyritohedron

I had been asked this question in unit test.

This interesting question is from Basics of Solids in chapter Projection of Solids of Engineering Drawing

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The correct option is (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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