No, but it can be a parallelogram.
Yes every parallelogram is a 4 sided polygon
Dragon is the answer
Parallelagram, Rhombus, Square, or Rectangle are the ones with congruent sides. There are also shapes like Trapezoids that do not have equal sides.
A parallelagram can be a square, which has four lines of symmetry or a rectangle which has two lines of symmetry but the generic parallelagram has zero lines of symmetry
No.
yes
Yes.
yes/no
Yes it is
yes
yup:)