The circle C C\,C has equation (x−4)2+(y−3)2=25(x - 4)^2 + (y - 3)^2 = 25(x−4)2+(y−3)2=25
Write down the coordinates of the centre of C C\,C and the radius of CCC.
C C\,C crosses the yyy-axis at the points A A\,A and BBB. Find the coordinates of A A\,A and of BBB.