Identify the center and radius of each.
47) \( (x-1)^{2}+(y-4)^{2}=81 \)
Answer
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Answer
Radius: \(\sqrt{81} = 9\)
Steps
Step 1 ：Center: \((1, 4)\)
Step 2 ：Radius: \(\sqrt{81} = 9\)
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