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

If the straight lines 2x+3y-1=0,x+2y-1=0 ,and a x+b y-1=0 form a triangle with the origin as orthocentre, then (a , b) is given by (a) (6,4) (b) (-3,3) (c) (-8,8) (d) (0,7)

If the straight lines 2x+3y-1=0,x+2y-1=0,and ax+by-1=0 form a triangle with the origin as orthocentre, then (a , b) is given by

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

The set of real values of k for which the lines x + 3y +1=0, kx + 2y-2=0 and 2x-y + 3 = 0 form a triangle is

Show that the straight line x^2-4xy+y^2=0 and x + y = 3 form an equilateral triangle.

Given three straight lines 2x+11 y-5=0,24 x+7y-20=0, and 4x-3y-2=0 . Then, they form a triangle one line bisects the angle between the other two two of them are parallel

Find the value of a for which the straight lines x+y-4=0,3x+2=0 and x-y+3a=0 are concurrent.

Show that the traingle formed by staright lines 4x-3y-18=0,3x-4y+16=0and x+y-2=0 is isosceles

Four lines x+3y-10=0, x+3y-20=0, 3x-y + 5 = 0 and 3x - y - 5 = 0 form a figure which is.