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.
Rectangles. (Which includes squares.)
They all do. That is part of being a quadrilateral.
a square.
a parallelogram, rectangle, rombus, and square all are quadrilaterals. a quadrilateral means a shape with 4 sides. only 2 sides are congruent in a parallelogram 2 sides are congruent in a rectangle 4 sides are congruent in a rombus 4 sides are congruent in a square
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.
Rectangles. (Which includes squares.)
A parallelogram if the two pairs are mutually congruent but all four sides are not. A rhombus if all four are.
They all do. That is part of being a quadrilateral.
a square.
The two quadrilaterals are squares.
Two different quadrilaterals have two pairs of parallel sides and have all their angles congruent. They are the square and the rectangle.
a parallelogram, rectangle, rombus, and square all are quadrilaterals. a quadrilateral means a shape with 4 sides. only 2 sides are congruent in a parallelogram 2 sides are congruent in a rectangle 4 sides are congruent in a rombus 4 sides are congruent in a square
Yes they are. The definition of a quadrilateral is a closed figure with four sides. A square always has four congruent sides and is a closed figure. Therefore, all squares are quadrilaterals. Trapezoids, rhombuses, and rectangles are also quadrilaterals.
Square & Rectangle are the only two. Rhombus (diamond) & parallelogram have adjacent sides, but no 90 degree angles (not perpendicular).
Yes. The basic definition for a rectangle is 4 sides, four right angles(perpendicular), and opposite sides are congruent.
Rectangle: A quadrilateral with 4 right angles, diagonals congruent/bisecting, and opposite sides congruent, BUT ADJACENT SIDES ARE NOT CONGRUENT. Rhobus: A quadrilateral with opposite congruent angles, but adjacent angles are Not congruent, perpendicular bisecting diagonals and 4 congruent sides. Square: A quadrilateral that is a rectangle and a square with 4 right angles, diagonals congruet/bisecting that ar perpendicular, and opposites sides congruent.