rhombus
A square has 4 equal sides, 2 pairs of parallel sides and 4 right angles.
A parallelogram has 2 pairs of parallel lines and in the form of a rectangle it has 2 pairs of parallel lines and 4 perpendicular lines that meet at each of its corners at right angles.
It is called a Rhombus.
A rectangle.
The square and rectangle.
Perpendicular lines = lines which are at right angles (90 degrees) to each otherDiamond = 2 pairs of parallel lines
They are rhombus and parallelogram.
trapazoid
A square.
Opp. sides & angles are equal.opp. sides are parallel each angle is 90
a parallelogram, maybe?