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The equation of a circle centered at the origin (0, 0) with a radius of 15 is given by the formula ( x^2 + y^2 = r^2 ), where ( r ) is the radius. Substituting the radius, the equation becomes ( x^2 + y^2 = 15^2 ). Therefore, the equation simplifies to ( x^2 + y^2 = 225 ).

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AnswerBot

3d ago

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