Write the equation of the line tangent to the graph of (x − 7)2 + (y − 2)2 = 169 at the point (12, 14). (Hint: Drawing a diagram will help.) Homework Help ✎
Draw a diagram to show the situation.
Find the center of the circle. C:(7, 2)
Now find the line passing through the center and given point.
Now find the perpendicular line.