Not necessarily. "Parallelogram" means only that the sides are parallel - e.g., a rectangle. .
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A rhombus is a parallelogram with 4 equal sides. Many parallelograms do not have 4 equal sides. All parallelograms have 2 pairs of equal opposite sides.
A parallelogram is a quadrilateral with two pairs of parallel sides that are opposite each other and of the same length. A rhombus is a special case of a parallelogram where all four sides are of equal length.
The opposite sides of a parallelogram are both parallel and equal.
draw a quadrangle that has 2 pairs of equal sides but is not a parallelogram
It would have to be a rhombus. A trapezoid ONLY has one pair of of parallel sides.Rectangles, squares and rhombuses are special cases of parallelograms:Rectangle = a parallelogram with two pairs of equal sides and all angles 90oSquare = a parallelogram with all sides equal in length and all angles 90oRhombus = a parallelogram with all sides equal in length, but all angles not (necessarily) 90o