There are lots of shapes; some examples:
A rectangle has exactly 2 lines of symmetry
Rectangle
a rhombus
A rectangle.
Dodecagon
A shape with rotational symmetry of order 2.
a parallelogram
A square has exactly four lines of symmetry.
A rectangle has exactly 2 lines of symmetry
An equilateral triangle has exactly three lines of symmetry. It is the only shape that contains exactly three lines of symmetry.
Symmetry is when one shape becomes exactly like another.
rectangle
Rectangle
a rhombus
scalene triangle.
quadrangle with exactly 2 lines of summetry
Order 5. The shape will fit over itself exactly 5 times during a complete rotation.