?? - 2013 Q10 A
10.
The circle C has radius 5 and touches the y-axis at the point (0, 9), as shown in Figure 4.
(a) Write down an equation for the circle C, that is shown in Figure 4. (3)
A line through the point P(8, – 7) is a tangent to the circle C at the point T.
(b) Find the length of PT. (3)
(a) Write down an equation for the circle C, that is shown in Figure 4. (3)
A line through the point P(8, – 7) is a tangent to the circle C at the point T.
(b) Find the length of PT. (3)