Answer and Explanation
Your Answer is
Correct Answer is C
Explanation
From the nature of circular coordinates, two points have been circled, find the radius r=√(13-9)²+(9-6)²=5, the answer is C.
47. In the standard (x, y) coordinate plane below, point P is the center of the circle and has coordinates (6, 9). Point Q on the circle has coordinates (9, 13). What is the circle's radius, in coordinate units?
