The sum of all angle of quadrilateral is

- The sum of all angles of quadrilateral is
- The sum of all angles of quadrilateral is equal to
- The sum of angle of quadrilateral is
- The sum of interior angle of quadrilateral is
- The sum of exterior angle of quadrilateral is
- The sum of all interior angle of quadrilateral is
- The sum of all exterior angle of quadrilateral is
- The sum of all four angles of a quadrilateral is
- Prove that the sum of all angles of a quadrilateral is 360°
- The sum of all four angles of any quadrilateral is
- The sum of all interior angle of a quadrilateral is dash
- The sum of all the angle of a quadrilateral is dash
- The sum of angle of quadrilateral is dash
- The sum of angle of quadrilateral is equal to
- The sum of angle of quadrilateral is 360