The straight lines `3x+y-4=0,x+3y-4=0` and `x+y=0` form a triangle which is :

The straight lines x+y-4=0, 3x+y-4=0 and x+3y-4=0 form a triangle, which is

The straight lines x+y=0, 3x+y-4=0 and x+3y-4=0 form a triangle which is (A) isosceles (B) right angled (C) equilateral (D) scalene

The straight line x+y=0 , 3x+y-4=0 , x+3y-4=0 form a triangle which is

Find the equation of straight line which passes through the intersection of the straight line 3x+2y+4=0 and x-y-2=0 and forms a triangle with the axis whose area is 8 sq.unit