That would be an isosceles triangle
1
nothing
triangle
here's one shape,issoleces triangle.(p.s hope i spelt it right!)
Squares, circles, rectangles, and some triangles have more than 1 line of symmetry.
a isosceles triangle has at least 1 line of symmetry but only has 9 letters
A triangle. -wrong #no it is not a triangle it would be correct if they were asking for sides this is rotational symetry
Possibly an equilateral triangle
a straight line
For example an isosceles triangle has only one line of symmetry
it is plutonic if it hs no line of symetry
it has no lines of symetry