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X2 + y2 + 17 = 138
Find the radius of the circle

User Fuzzzzel
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1 Answer

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x^2 + y^2 + 17 = 138\\x^2 + y^2 = 138 - 17\\x^2 + y^2 = 121\\x^2 + y^2 = 11^2\\Radius = 11

User Dawei
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