Problem

Identify the center and radius of each. 47) \( (x-1)^{2}+(y-4)^{2}=81 \)

Solution

Step 1 ：Center: \((1, 4)\)

Step 2 ：Radius: \(\sqrt{81} = 9\)

From Solvely APP
Source: https://solvelyapp.com/problems/10412/

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