Never because the 4 interior angles of any quadrilateral always add up to 360 degrees
-- A parallelogram is always a quadrilateral. -- A quadrilateral is sometimes a parallelogram.
Sometimes :)
Always
Always
Always
Always
A trapezoid is always a 4 sided quadrilateral
A kite is always a 4 sided quadrilateral.
An exterior angle of a quadrilateral is sometimes 90 degrees. While it can take on various values depending on the shape and angles of the quadrilateral, there are specific configurations, such as a rectangle, where an exterior angle is exactly 90 degrees. However, in general cases, it can also be acute or obtuse, so it is not always 90 degrees.
A kite is always a quadrilateral because it has 4 sides
is an exterior angle of a quadrilateral always sometime or never 90 degrees
Sometimes