Nobody was invented in the quadrilateral.
a quadralateral has 4 sides
A quadralateral (sic!) is a four angled shape. EX: Square, Rectangle, and Rhombus.
Apart from the fact that the shape is called a quadrilateral, not quadralateral, the answer depends on which characteristic you want to measure.
quadralateral
Square. Quadralateral.
Quadralateral.
4
A quadralateral and a parallelogram.
Two
The math word is quadralateral. Example: The teacher taught students about quadralateral forms.
360
quadralateral