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
Yes
A trapezium is not a parallelogram.
yes
Yes.
No a trapezoid is not a parallelogram
a quadtilateral with two pairs of parallel sides
Parallogram
square always a parallelogram
Yes, a rhombus is an equilateral parallelogram.