Question

How many sides does a dodecahedron have?​

Answer 1

Answer:

12

Step-by-step explanation:

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Answer 2

Answer:

$30$

Step-by-step explanation:

A dodecahedron is a 3D polygon (or polyhedron) with 12 sides. It's in the name: dodeca = 12, hedron = 3D polygon.

It has $30$ sides/edges and $20$ vertices. It's volume is given by the formula: $V = \dfrac{15+7\sqrt{5}}{4}a^3$, where $a$ is the length of an edge.