Which equation can be used to find the answer?
2 answers:
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Answer:
7 units
Step-by-step explanation:
The formula for a circle is: , where (x_1, y_1) is the center of the circle and r is the radius.
Right now, we see that r^2 = 49, so to find r, we square root 49 and get 7.
Thus, the answer is 7 units.
Hope this helps!