The sum of angles of quadrilateral is
- The sum of angles of quadrilateral is 360
- The sum of angles of quadrilateral is equal to
- The sum of angles of quadrilateral is dash
- The sum of angles of quadrilateral is dash right angle
- The sum of all angles of quadrilateral is
- The sum of interior angles of quadrilateral is
- The sum of four angles of quadrilateral is
- The sum of exterior angles of quadrilateral is
- Concave quadrilateral sum of angles
- The sum of opposite angles of quadrilateral is
- The sum of all interior angles of quadrilateral is
- The sum of opposite angles of cyclic quadrilateral is
- The sum of interior angles of any quadrilateral is
- The sum of opposite angles of cyclic quadrilateral is 180
- The sum of all angles of quadrilateral is equal to