A parallelogram. A rhombus, rectangle or square are special cases.
Parallelogram, Rectangle, and Isosceles Trapezoid, opposite sides are congruent.
Slanted polygons, rectangles, squares, trapazoids, kites
quadrilaterals are consecutive and opposite angles always congruent?
Of the quadrilaterals: a square, a rectangle, a parallelogram and a rhombus
squares
A parallelogram (and all its special cases) has two pairs of opposite sides that are congruent. An isosceles trapezium has one pair of congruent opposite sides. Selected irregular quadrilaterals can have a pair.
Parallelograms, rhombuses, squares, and rectangles are the quadrilaterals that have opposite congruent sides.
square and a rectangle
Parallelogram, Rectangle, and Isosceles Trapezoid, opposite sides are congruent.
A rhomboid and oblong
They all do. That is part of being a quadrilateral.
opposite sides are parallel opposite sides congruent opposite angles are equal opposite lines parallel 1 pair opp. lines parallel and congruent
Slanted polygons, rectangles, squares, trapazoids, kites
A parallelogram if the two pairs are mutually congruent but all four sides are not. A rhombus if all four are.
quadrilaterals are consecutive and opposite angles always congruent?
Of the quadrilaterals: a square, a rectangle, a parallelogram and a rhombus
Parallelogram and Trapezoid.