A square or a rectangle
rhombus
To determine if a quadrilateral is a parallelogram, you can check if either pair of opposite sides is parallel and equal in length, or if the diagonals bisect each other. Additionally, if both pairs of opposite angles are equal, or if one pair of opposite sides is both parallel and equal in length, then the quadrilateral is a parallelogram. If any of these conditions are met, you can confidently classify the quadrilateral as a parallelogram.
A rhombus is a 4 equal sided quadrilateral with equal opposite acute angles and equal opposite obtuse angles with diagonals that bisect each other at right angles.
Equal and parallel
A parallelogram.
They are equal and parallel.
A Quadrilateral Kite!
A parallelogram.
A quadrilateral with opposite sides equal and parallel
A rhombus is a simple quadrilateral with all its sides of equal length. As a result,its opposite sides are parallel,its opposite angles are equal,its adjacent angles are supplementary, andits diagonals bisect each other at right angles.
An isosceles trapezoid is a 4 sided quadrilateral that has 1 pair of opposite parallel sides of different lengths and has 2 equal diagonals plus equal base angles.
Not every quadrilateral is a parallelogram; however, a quadrilateral can be classified as a parallelogram if it satisfies specific conditions, such as having both pairs of opposite sides parallel and equal in length. Additionally, if one pair of opposite sides is both parallel and equal, or if the diagonals bisect each other, then the quadrilateral is also a parallelogram. Thus, while all parallelograms are quadrilaterals, not all quadrilaterals meet the criteria to be classified as parallelograms.