[" (i) "x-3y-3=0],[3x-9y-2=0],[3x-5y=20],[6x-10y=40]

6x-3y=-10,3x+5y-8=0

6x-3y+10=0,2x-y+9=0

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

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

6x-3y+10=0 2x-y+9=0

The area of the parallelogram formed by lines 2x-y+3=0, 3x+4y-6=0,2x-y+9=0, 3x+4y+4=0 is (in sq units)

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

2x-y-5=0; x+3y-9=0

Prove that the following lines are concurrent. (i)5x-3y=1 , 2x+3y=23 , 42x+21y=257 (ii) 2x+3y-4=0 , x-5y+7=0 , 6x-17y+24=0

The straight lines 4x-3y-5=0, x-2y=0, 7x+y-40=0 and x+3y+10=0 from