If the straight lines $x + 3 y = 4,3 x + y = 4$ and $x + y = 0$ form a triangle, then the triangle is (1) scalene (2) equilateral triangle (3) isosceles (4) right angled isosceles
If the straight lines $x + 3 y = 4,3 x + y = 4$ and $x + y = 0$ form a triangle, then the triangle is\\
(1) scalene\\
(2) equilateral triangle\\
(3) isosceles\\
(4) right angled isosceles