A cube has _______ edges.
3
12
6
4
Which of the following statements are true?
(i) All cubes are cuboids
(ii) All cuboids are cubes
(iii) A cube has 6 faces , 8 corners , 12 edges
(iv) A cube has 8 faces , 12 corners and 6 edges
A polyhedron has 9 vertices, 6 faces and 12 edges.