# Your mission is to track incoming meteors to predict whether or not they will strike Earth.The equation of Earth's surface is x^2+ y^2= 40.68

Your mission is to track incoming meteors to predict whether or not they will strike Earth. Since Earth has a circular cross section, you decide to set up a coordinate system with its origin at Earth's center. The equation of Earth's surface is $$\displaystyle{x}^{{2}}+{y}^{{2}}={40.68}$$, where x and y are distances in thousands of kilometers.

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