Solve r=2 - ScanMath

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Type your math problem... r=2

x

Question

Rewrite the equation

x^{2} + y^{2} = 4

Evaluate

r = 2

Square both sides of the equation

r^{2} = 2^{2}

To covert the equation to rectangular coordinates using conversion formulas,substitute x^{2} + y^{2} for r^{2}

x^{2} + y^{2} = 2^{2}

Solution

x^{2} + y^{2} = 4

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