quadrilateral
A quadrilateral (ie 4-sided plane figure) with opposite sides equal and parallel
A rhombus is a 4 equal sided quadrilateral with opposite parallel sides and equal opposite acute angles and equal opposite obtuse angles that all add up to 360 degrees.
A quadrilateral (four sided figure) with opposite sides parallel and equal length see: http://dictionary.die.net/parallelogram
A parallelogram is a four-sided figure with opposite sides parallel. Squares and rectangles are two examples of parallelograms. A square is a four-sided figure that has four equal sides, and opposite sides are parallel.
parallelogram
A 4 sided figure in which opposite sides are parallel.
If the sides are all equal, and opposite sides are parallel, then the angles are all equal (72º) and it is a 'regular hexagon'. A six sided plane figure is called a hexagon, as "hex" means "six."
A parallelogram is a 4 sided geometric figure with opposite side parallel.
Parallelogram.
a four-sided plane rectilinear figure with opposite sides parallel.
The shape can only be a rectangle! A rectangle is a four-sided 2-dimentional figure, where every angle is a right angle, opposite sides are parallel, but the 4 sides are NOT equal.