what is an arbitrary quadrilateral?
I can't find a definition of it anywhere. How would you find the area of an arbitrary quadrilateral?
what is an arbitrary quadrilateral?
I can't find a definition of it anywhere. How would you find the area of an arbitrary quadrilateral?
Please see here.
It is too complicated, I would rather to provide the link instead of copying it.
If you know all the coordinate of the quadrilateral, then use this.