If the lines `3x-4y+4=0` and `6x-8y-7=0` are tangents to a circle, then find the radius of the circle.

Choose the correct alternative.If the lines 3x-4y+4=0 and 6x-8y-7=0 are tangents to a circle then the radius of this circle is.

If the lines 3 x - 4y + 4 = 0 and 6x - 8y - 7 = 0 are tangents to a circle , then the radius of the circle is

If the lines 3x+4y-14=0 and 6x+8y+7=0 are both tangents to a circle, then its radius is

The lines 3x-4y +4=0 and 6x-8y-7=0 are tangents to the same circle. The radius of the circle is

The lines 3x- 4y+4=0 and 6x-8y-7=0 are tangents of a circel, then radius of the circel is-

The lines 3x - 4y + 4 = 0 and 6x - 8y - 7 = 0 are tangents to the same circle. The radius of the circle is :