Question

The equation of a line containing one of the side of an equilateral triangle is 2x + 2y – 5 = 0 and one of the vertices of the triangle is (1, 2). find the equations of lines containing the remaining sides of the triangle

Answer 1

2x+2y-5=0so, xor m=-1 so y-2=-1(x-1),x+y-3=0