[" The circle "x^(2)+y^(2)-8x+4y+4=0],[" touches "]

The circle x ^(2) + y^(2) +4x -4y+4=0 touches

The circle x ^(2) + y^(2) +4x -4y+4=0 touches

The circle x ^(2) +y^(2) -8 x+4=0 touches -

Thecircle x^(2)+y^(2)-8x+4y+4=0 touches

The circle x^2 + y^2 - 8x + 4y + 4 = 0 toches

Statement I The circle x^(2) + y^(2) - 6x - 4y - 7 = 0 touches y-axis Statement II The circle x^(2) + y^(2) + 6x + 4y - 7 = 0 touches x-axis Which of the following is a correct statement ?

If the circle x^(2) + y^(2) + 8x - 4y + c = 0 touches the circle x^(2) + y^(2) + 2x + 4y - 11 = 0 externally and cuts the circle x^(2) + y^(2) - 6x + 8y + k = 0 orthogonally then k =

The circle x^(2)+y^(2)+4x-4y-4=0 touches