24 edges.
24 edges.
24 edges.
24 edges.
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it has 30 edges
22 edges.
A regular dodecahedron has 20 vertices, 12 faces and 30 edges. A dodecahedron can also be a endacagon based pyramid which has 12 vertices, 12 faces and 22 edges, or A decagon based prism which has 20 vertices, 12 faces and 30 edges, or one of many other configurations.
The snub dodecahedron is an Archimedean solid consisting of 92 faces (80 triangular, 12 pentagonal), 150 edges, and 60 vertices.
The volume of a rhombic dodecahedron, with sides of length a, isV = 16/9*sqrt(3)*a^3 = approx 3.0792*a^3