How to create a 4 sides polyline using the length of each sides and its area

Hi
I want to creat a 4 side polyline.I don't know the angle between the sides but I know the Area. How can I drow it?
2 Answers

Dear Julian Harding
thank you so much
this is a plat that I want to build my house on it
I know that this is a 4 sides polyline. And I know the sides length and the area. but I dont know how can I drow the exact shape of the plat in autocad
I hope I could say what I really mean. Talking english is hard for me.
Thank you