Figure 4 The circle Chas radius 5 and touches the y-axis at the point (0, 9), as shown in Figure 4. An equation of the circle is (x + 5)² + (y − 9)² = 25 A line through the point P(8, -7) is a tangent to the circle Cat the point T. Find the length of PT.

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A: You are asked multiple questions. As per the guideline I can solve only one. Please repost others.

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