a parallelogram
A shape with rotational symmetry of order 2.
There are lots of shapes; some examples:the letter Sthe letter Nthe letter Z
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
a rhombus
Rectangle
scalene triangle.
quadrangle with exactly 2 lines of summetry
Order 5. The shape will fit over itself exactly 5 times during a complete rotation.