Dodecahedron does not have triangular faces.
The dodecahedron is also known as pentagonal dodecahedron which is composed of 12 regular pentagonal faces, 30 edges, and 20 vertices.
A regular icosahedron is a 3D polyhedron having 20 triangular faces, 30 edges, and 12 vertices.
A regular octahedron has 8 triangular faces, 6 vertices, and 12 edges.
A tetrahedron has 4 triangular faces, 4 vertices, and 6 edges.
All of these 3 have triangular faces.
But Dodecahedron has 12 faces which are pentagonal in shape.
Therefore Dodecahedron does not have triangular faces.
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