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What quadrilaterals have opposite sides that are congruent and parallel?
They all do. That is part of being a quadrilateral.
Are all quadrilaterals also parrelograms?
Quadrilaterals are called parallelograms ONLY if both pairs of opposite sides are equal and parallel to each other.
Why is a quadrilateral sometimes a parallelogram?
All parallelograms are quadrilaterals, though not all quadrilaterals are parallelograms. Both have 4 sides and 4 corners. A quadrilateral can have sides and corners of different sizes, whereas a parallelogram must have opposite sides that are parallel.
What quadrilaterals have all sides parallel?
It's not possible to have all sides parallel. The quadrilaterals that have every side parallel to the one opposite it ... or two pairs of parallel sides ... are: -- parallelograms -- rhombera -- rectangles -- squares Notice that -- every square is also a rectangle, a rhombus, and a parallelogram. -- every rectangle is also a parallelogram. -- every rhombus is also a parallelogram.
What quadrilaterals have only one pair of parallel sides?
Trapezoids. All other quadrilaterals either have two pairs of parallel sides or none.
What property is true of all parallelograms?
They are quadrilaterals; opposite sides are parallel.
What quadrilateral have opposite sides are parallel?
Quadrilaterals that have parallel opposite sides (assuming that each side is parallel to its opposite): A parallelogram A rectangle A square (really a rectangle with all sides equal in length)
Is all quadrilaterals are parallelograms truth?
opposite sides are parallel opposite sides congruent opposite angles are equal opposite lines parallel 1 pair opp. lines parallel and congruent
What quadrilaterals have opposite sides that are congruent and parallel?
They all do. That is part of being a quadrilateral.
How is parallelogram different from other quadrilaterals?
All four of it's sides are parallel to the one opposite it.
Why are all rhombuses parelllelagrams?
Because they are both four sided quadrilaterals with opposite parallel sides.
Are all quadrilaterals also parrelograms?
Quadrilaterals are called parallelograms ONLY if both pairs of opposite sides are equal and parallel to each other.
What quadrilaterals do not have two pairs of opposite sides that are parallel?
Any that are not a parallelogram (rhombus, rectangle, square). These would include all irregular quadrilaterals as well as trapezoids (trapeziums) which have only one set of parallel sides.
What makes a trapezoid different from other quadrilaterals?
A trapezoid only has one pair of opposite parallel sides of different lengths but like all other quadrilaterals it has 4 sides.
what is the quadrilaterals at rhombus?
Rhombus is a quadrilateral whose all sides are equal and its opposite sides are parallel to each other but their anger are not equal to 90°.
Why is a quadrilateral sometimes a parallelogram?
All parallelograms are quadrilaterals, though not all quadrilaterals are parallelograms. Both have 4 sides and 4 corners. A quadrilateral can have sides and corners of different sizes, whereas a parallelogram must have opposite sides that are parallel.
What is the primary difference between a trapazoid and the other quadrilaterals?
A trapezoid has one pair of parallel sides. All other quadrilaterals have no parallel sides or two pairs of parallel sides.
