What do a rhombus, a parallelogram, a square, and a rectangle have in common? Geometry Quadrilaterals Quadrilaterals 1 Answer Trevor Ryan. Nov 14, 2015 Both pairs of opposite sides are parallel Answer link Related questions In a quadrilateral ABCD ,which is not a trapezium.It is known that <DAB=<ABC=60 DEGREE.moreover... A square‘s sides are tripled producing an area of 81 square feet. What is the ratio of the area... Is a rhombus always a trapezoid? In an isosceles trapezoid ABCD, AB=CD=5. The top base = 8 and the bottom base = 14. What is the... In an isosceles trapezoid ABCD, AB=CD=5. The top base = 8 and the bottom base = 14. What is the... What is a trapezoid? Which is always a rhombus? Parallelogram, Trapezoid, Rectangle, or Square? Why is a trapezoid a quadrilateral, but a quadrilateral is not always a trapezoid? What is the difference between a trapezoid and a rhombus? How do you prove this theorem on trapezoids and its median? The median (or mid-segment) of a... See all questions in Quadrilaterals Impact of this question 5613 views around the world You can reuse this answer Creative Commons License