no shape does! * * * * * Not true. A parallelogram has rotational symmetry of order 2, but no lines of symmetry.
a pentagon has 5 lines of symmetry
A 2d shape with uncountable lines of symmetry is a circle.
35 lines of symmetry
An equilateral triangle has 3 lines of symmetry
A parallelogram.
There are 3 lines of symmetry ina 6-sided shape.
A square has exactly four lines of symmetry.
It is a circle whose lines of symmetry are infinite
A rectangle has exactly 2 lines of symmetry
A circle. It has an infinate amount of lines of symmetry.
There are infinitely many lines of symmetry. Every line can be a line of symmetry for a suitable shape.