the opposite sides are the same
Yes
Yes, a rhombus is an equilateral parallelogram.
parallogram
2 lines of Symetry
A four sided figure with two pairs of parallel sides.
yes
Yes.
Yes
A trapezium is not a parallelogram.
Yes
yes
Yes.
No a trapezoid is not a parallelogram
a quadtilateral with two pairs of parallel sides
Yes, a rhombus is an equilateral parallelogram.
Parallogram
No, it can't not be. Every rectangle is a parallelogram.