A square has 4 equal sides, 2 pairs of parallel sides and 4 right angles.
a parallelogram
This is a parallelogram, opposite sides are of equal length and opposite angles are equal in size.
A sqare two pairs of parallel sides each corner is a right angle and all sides are equal.
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A rhombus.
rhombus
Rhombus
rhombus
A trapezoid
rectangle
A parallelogram has both pairs of opposite sides parallel but no right angles. A special kind of parallelogram is a rhombus which has all its sides of equal length