That is, a quadrilateral with no square corners is not a rectangle or a square. This is because by definition, a rectangle and a square have four square corners, so if a quadrilateral has no square corners, then it cannot be a rectangle or a square.
A rectangle.
either a square or a rectangle
4
square or rectangle
Both statements are not always true. A square is a rectangle (a shape four sides and four corners which are all right angles) but a rectangle is not necessarily a square (a shape with four equal sides and four corners that are all right angles).
Since you are a quadrangle with square corners, you are a 4-sided polygon with 90° angles, which means you are a rectangle. If all the sides are equal length, you are a square, which is a specific type of rectangle.
rectangle
A square or a rectangle.
rectangle
Square, Rectangle, House (figuratively not literally)
Four. Examples are parallelogram, rectangle, square etc