A regular polygon with an even number of sides.
There is no way to know.If two opposite sides are parallel and of equal length, then the quadrilateral is a parallelogram (rectangle, rhomboid, square, or rhombus).
In parallelogram each two opposite sides are parallel and equal in length
A quadrilateral (four sided figure) with opposite sides parallel and equal length see: http://dictionary.die.net/parallelogram
Yes. A parallelogram is defined as having opposite sides that are parallel and equal in length, and opposite angles that are equal.
A quadrilateral with 4 right angles and opposite sides that are parallel can be either a rectangle if the adjacent sides are of different length or a square if the adjacent sides are of the same length.
Yes A parallelogram has opposite sides parallel and equal in length. Does a rectangle have opposite sides parallel and equal in length? Yes Thus a rectangle is a parallelogram.
square
a square
equal in length.
equal in length.
Congruent (equal in length), and parallel.
Yes opposite sides are parallel and equal in length