The centroid of the triangle formed by the lines `x+y-1=0, x-y-1=0, x-3y+3=0` is

The circumcentre of the triangle formed by the lines x+y-1=0,x-y-1=0,x-3y+3=0 is

The circumcentre of the triangle formed by the lines x+y-1=0,x-y-10,x-3y+3=0 is

The orthocenter of the triangle formed by the lines x+y+1=0, x-y-1=0, 3x+4y+5=0 is :

The orthocentre of the triangle formed by the lines x+y+1=0,x-y-1=0,3x+4y+5=0 is

Area of the triangle formed by the lines 2x-y-5=0, x-5y+11=0, x+y-1=0 is

Find the coordinates of the centroid of the triangle, formed by the lines x+2y-5=0, y+2x-7=0 and x-y+1=0 .

The triangle formed by the lines x+y=0,3x+y=4,x+3y=4 is

The circumcentre of the triangle formed by the lines 3x-y-5=0,x+3y-5=0,x=y is