Rectangle or a square
In general, a quadrilateral is not regular. Only the square has all its sides equal AND all its angles equal and so can be called regular.
its a regular quadrilateral * * * * * No it is NOT! The sides of a rectangle, in general, are not all the same length and, therefore, it is not a regular polygon.
No.
The sum of the exterior angles of a polygon equals 360.Quadrilateral has 4 exterior angles.360/4=90 for a regular quadrilateral.
Square
Well, you are supposed to call an irregular quadrilateral an IRREGULAR QUADRILATERAL. Haha. There really isn't any name for a regular quadrilateral. You just call it a quadrilateral or whatever the shape is. You could call it a REGULAR QUADRILATERAL.
parallelogram
A square
Each of the four interior angles of a square (i.e. a regular quadrilateral) measures 90 degrees
A square is a regular 4 sided quadrilateral
It is a square
That's an irregular quadrilateral.
It is called Quadrilateral or Tetragon.
Rectangle or a square
A square is a regular 4 sided quadrilateral
No not every quadrilateral can be a regular polygon.