# Convert the polar equation to a rectangular equation. r = 2

Convert the polar equation to a rectangular equation.
r = 2
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Given only r = 2, we assume this is a circle centered at the originwith radius of 2.
In rectangular form, the equation of a circle is:
${x}^{2}+{y}^{2}={r}^{2}$
So, your equation is:
${x}^{2}+{y}^{2}=4$