Which of the following Platonic solids is also a cube?A.TetrahedronB.IcosahedronC.None of theseD.DodecahedronE.HexahedronF.Octahedron

To determine which of the following Platonic solids is also a cube, we need to identify the characteristics of each option provided.

Breakdown of Options:

1. Tetrahedron: A solid with 4 triangular faces.
2. Icosahedron: A solid with 20 triangular faces.
3. Dodecahedron: A solid with 12 pentagonal faces.
4. Hexahedron: A solid with 6 square faces (this is the definition of a cube, as all faces are equal squares).
5. Octahedron: A solid with 8 triangular faces.

Conclusion:

A cube is specifically defined as a type of Hexahedron because it has 6 square faces.

Final Answer:

E. Hexahedron