One side of a rectangle lose along the line 4x + 7y + 5 = 0. Two of its opposites vertices are ( -3,1) and (1,1). Find the equations of the lines containing other three sides.

One side of a rectangle lose along the line 4x + 7y + 5 = 0. Two of it

1.	One side of a rectangle lose along the line 4x + 7y + 5 = 0. Two of its opposites vertices are ( -3,1) and (1,1). Find the equations of the lines containing other three sides.
Answer» One side of a rectangle lose along the line 4x + 7y + 5 = 0. Two of its opposites vertices are ( -3,1) and (1,1). Find the equations of the lines containing other three sides.