Bilateral.
One type of symetry is rotation symetry.
What type of triangle?
A sponge is not symmetric, therefore is referred to as asymmetric.
it has no lines of symetry
circle
reflective from all sides, rotational from the top and bottom.
a rhombus has no lines of symetry
It has no lines of symetry at all.
2 lines of Symetry
A regular octogan has 8 lines of symetry, and a irregular octogan has 2 lines of symetry.
A line has two fold rotational symetry.
A circle has an infinite amount of lines of symetry.