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apologiabiology
it would be 2 height above the x axis
it would be y=2
meerkat18
the area of the circle is equal to pi multiplied by the square of the radius. the general equation that represents the equation of the circle is x^2  + y^2 = r^2. r is equal to 2 such that r^2 is equal to 4. hence the equation becomes
x^2  + y^2 = 4

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