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, it is called a Trapezoidal or a Trapezoidal Prism.
a trapezoidal prism
Yes.
yes/no
Yes it is
Yes.
yes
Yes.
No, but it can be a parallelogram.
yup:)