given the end points of the largest parallel side and the lengths of other three sides of a trapezium how to find other two coordinate points of that trapezium?↵
![ ](http://codeforces.net/predownloaded/ad/d9/add9c5dba4c15284ceaf995182dd686ac2e71777.png)↵
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if point A, point B, b,c,d are given how to find point C and D?
![ ](http://codeforces.net/predownloaded/ad/d9/add9c5dba4c15284ceaf995182dd686ac2e71777.png)↵
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if point A, point B, b,c,d are given how to find point C and D?