# quadrilateral

**IPA:** kwɑdrɪɫˈætɝʌɫ

### noun

- A polygon with four sides.
- An area defended by four fortresses supporting each other.

### adjective

- Having four sides.

# Examples of "quadrilateral" in Sentences

- It is the significance of the quadrilateral.
- The external surface is quadrilateral in shape.
- Points are the vertices of a cyclic quadrilateral.
- The court is in form of quadrilateral of 24m on 24m.
- The open end of the enclosure forms a quadrilateral.
- The simplest example is a quadrilateral in the plane.
- To one side of the facade is a quadrilateral bell tower.
- The area of a tangential quadrilateral is not that large.
- Mr. Callahan A quadrilateral is a polygon with four sides.
- This expressway is part of the Golden Quadrilateral project.
- The triangle, quadrilateral or quadrangle, and nonagon are exceptions.
- In the dead center of the quadrilateral was the sign of the pentagram.
- Then this rule would to another: opposite angles in the quadrilateral will be the sum of 180 degrees.
- A quadrilateral is a polygon with 4 sides, and the term includes square, rectangle, trapezoid, kite, etc.
- So far as the so-called quadrilateral talks were concerned, these were one-off talks at officer level between Australia, US, India and Japan.
- For instance, the term quadrilateral, or four-sided rectilinear figure, is correctly divided into square, oblong, rhombus, rhomboid and trapezium.
- All these stars are of the second order of magnitude (the specific meaning of this expression will be explained in the next chapter), except the last ([delta]) of the quadrilateral, which is of the third order.