A dodecagon need not have any lines of symmetry. It can have a maximum of 12.
A square has 2 pairs of opposite parallel lines.
There cannot be parallel lines in any [plane] triangles.
there are 2 sets of parallel lines in a square
A triangular prism has 9 parallel lines
A regular dodecagon has six pairs of parallel lines.
A Dodecagon has 12 lines of symmetry 12 faces and 12 vertexes! * * * * * A dodecagon need not have any lines of symmetry. It can have 1, 2 or 12 lines of symmetry.
12 * * * * * A dodecagon need not have any lines of symmetry. It can have 1, 2, 4 or 12 lines of symmetry.
A dodecagon need not have any lines of symmetry. It can have a maximum of 12.
A triangle can have no parallel lines.
it has too parallel lines!
A pentagon has no parallel lines.
A cone does not have any parallel lines
A square has 2 pairs of opposite parallel lines.
how many sets of parallel lines are in a triangle
A trapezoid has one set of parallel lines.
A cube has exactly 6 parallel lines.