No.
trapiziod
no
Yes
4
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
They are both 4 sided quadrilaterals but a trapezoid has different properties than an isosceles trapezoid which has 2 equal base angles.
yes
a rhombus has all equal sides but a parallelagram only has two equal sides.
yes/no
Yes.
yes
Yes.