Find the equation of the circle which
touches the circle `x^(2) + y^(2) - 2x - 4y - 20 = 0`
externally at `(5, 5)` with radius 5.

Find equation of the circle which touches circle x^(2) + y^(2) - 2x - 4y - 20 = 0 of point (5,5) externally and radius is 5 unit.

Find the equation of a circle of radius 5 which is touching another circle x^(2) + y^(2) - 2x - 4y - 20 = 0 at (5,5).

(i) Find the equation of circle which touches x^(2)+y^(2)-4x+6y-12=0 at (-1,1) internally with a radius of 2. (ii) Find the equation of circle which touches x^(2)+y^(2)-2x-4y-20=0 externally at (5,5) with radius of 5.

Find the equation of the circle , centred at (-1,4) , which touches the circle x^(2) + y^(2) - 6x - 2y + 1 = 0 externally

Find the equation of the circle whose radius is 5 and which touches the circle x^2 + y^2-2x- 4y- 20 = 0 externally at the point (5, 5).

Find the equation of the circle whose radius is 5 and which touches the circle x^(2)+y^(2)-2x-4y-20=0 externally at the point (5,5).

Find the equation of the circle which touches the line x = 0, x = a and 3x + 4y + 5a = 0.

Find the equation of the circle which is concentric with the circle x^(2) + y^(2) - 6x - 4y- 3 = 0 , and has radius 5.

Find the equation of the circle whose radius is 5 and which touches the circle x^2+y^2-2x-4y-20=0 externally at the point (5,5) .