Yes, they always have 4 sides
Yes because they are quadrilateral polygons.
A square, always, a rhombus, always, a parallelogram, always, and rectangles, always.
All rectangles, including squares.
Yes because all rectangles are closed polygons with four straight sides - and that is what a quadrilateral is. Yes because all rectangles are closed polygons with four straight sides - and that is what a quadrilateral is. Yes because all rectangles are closed polygons with four straight sides - and that is what a quadrilateral is. Yes because all rectangles are closed polygons with four straight sides - and that is what a quadrilateral is.
NO quadrilateral has, except rectangles and squares.
Not all quadrilaterals are rectangles. Some quadrilaterals are rectangles, and the rest are not. However, all rectangles are quadrilaterals.
In a quadrilateral, the diagonals are only congruent for rectangles (or squares, which is a special kind of rectangle). Note: they are not congruent for a Rhombus.
squares and rectangles
A quadrilateral (a 2-D figure made up of four sides) can be made up of any number of smaller shapes, including rectangles. In fact, a rectangle IS a quadrilateral.
trapezoids and rectangles, are both quadrilateral (which means shapes with 4 sides). rectangles and trapezoids are also polygons.
All rectangles are quadrilaterals. A quadrilateral has 4 sides; all rectangles have 4 sides; thus all rectangles are quadrilaterals.
quadrilateral(squares,rectangles,diamonds,etc.)