No, a dodecahedron doesn't have perpendicular faces
A dodecahedron need not have any parallel lines.
120.A regular Dodecahedron has 120 symmetries.
21
9 perpendicular lines
It need not have any.
No, a dodecahedron doesn't have perpendicular faces
none
A dodecahedron need not have any parallel lines.
120.A regular Dodecahedron has 120 symmetries.
It need not have any.
Octagons have no perpendicular lines.
21
It need not have any.
An octahedron has 7 perpendicular lines.
There are four perpendicular lines in a rectangle
Each of the four lines is perpendicular - to two of the other lines.