19 of them.
There are 3 lines of symmetry ina 6-sided shape.
How many diagonal lines does a 1million sided shape have
35 lines of symmetry
How many lines of symmetry does a original 9 sided shape have
A regular 24 sided polygon has 24 lines of symmetry.
the shape has 1 side of symmetry
It can have none. It can have 100.
l_l l_l l_l
the same number of sides it has
It depends on the shape. It could have none, or up to 24.