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Do parallelograms have parallel sides?
Yes. A Parallelogram is a quadrilateral that has two pairs of parallel sides which are opposite each other and of equal length, though the pairs may be of different length to each other. If the angles are all 90° then the parallelogram is also a rectangle. If the angles are all 90° AND all sides are equal then the parallelogram is also a square. All squares are rectangles, but not all rectangles are squares; Similarly all squares are rhombuses but not all rhombuses are squares And all rhombuses, and thus squares, are parallelograms, but not all parallelograms are rhombuses (nor squares).
What has two pairs of parallel sides and all sides are equivalent?
A square or a rhombus has two pairs of parallel sides and all sides are equivalent.
How many pairs of parallel sides are in a prarallelogram?
All parallelograms have two pairs of parallel sides.
Are all rhombuses polygons?
yes because they have 2 sets of parallel sides
What shape has two pairs of parallel sides?
Any polygon with any even number of sides CAN have 2 pairs of parallel lines. Parallelograms, rhombuses, rectangles, and squares always do.The shape that has two pairs of parallel sides is a parallelogram. It is either a rectangle, rhomboid, square, or rhombus (all special cases of the parallelogram)The set of parallelograms is is often confused with the set of trapezoids. Trapezoids are a little confusing in themselves because, although mathematicians world-wide define them as quads with two (and only two) parallel sides, in Britain trapezoid is sometimes used to refer to a quad with no parallel sides. ref. Merriam-Webster's Collegiate Dictionary.
