The radius of any circle touching the liens `3x-4y+5=0` and `6x-8y-9=0` is

The radius of any circle touching the lines 3x-4y+5=0, 6x-8y-9=0" is "

The radius of any circle touching both the lines 3x + 4y -1 =0 and 6x + 8y+1 =0 is

The radius of the circle having the lines 3x - 4y + 4 = 0 and 6x - 8y - 7 = 0 as tangents is :

Find the radius of a circle which touches two lines 3x-4y-6=0 and 6x-8y+1=0.

Radius of the circle touching the lines 3x+4y-14=0,6x+8y+7=0 is

The locus of the centre of circles which touch the lines 6x-8y+5=0 and 6x-8y+13=0 is 6x-8y+k=0 then k=

Distance between the lines 3x+4y-5=0 and 6x+8y-45=0 is

Circumference of the circle touching the lines 3x+4y-3=0,6x+8y-1=0

Circumference of the circle touching the lines 3x+4y-3=0,6x+8y-1=0 is (A) pi (B) (pi)/(3) (C) 6 pi (D) (pi)/(2)

Find the distance between the line 3x-4y+9=0 and 6x-8y-17=0