10
A regular octogan has 8 lines of symetry, and a irregular octogan has 2 lines of symetry.
A regular quadrilateral has 4 lines of symetry
A regular decagon would have five sets or parallel lines.
It will have 22 lines of symmetry
10
Ten.
a rhombus has no lines of symetry
2 lines of Symetry
A circle has an infinite amount of lines of symetry.
how many lines of symetry does the letter R have
A regular decagon will have 5 pairs of parallel sides, however, irregular decagons can have no parallel sides.