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Answer:

Here you buddy hope it helps!
The center is (0,0).
The radius is 7.
Answer:
The set of points equidistant from a given point (the center). Radius : A segment with endpoints at the center and on the circle.
Step-by-step explanation:
Answer: The relationship within the circle is that TU square is equal to ST times TR.
Therefore, we can write and solve the following equation.
TU^2 = 4(9)
x^2 = 36
x = 6
The length of side TU is 6.