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Problems 53-58, set up a definite integral that represents the area bounded by the graphs of the

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Problems 53-58, set up a definite integral that represents the area bounded by the graphs of the indicated equations over the given interval. Find the areas to three decimal places. [Hint: A circle of radius r, with center at the origin, has equation x2 + y2 = r2 and area πr2]
y = - √100 - x2; y = √100 - x2; - 10 ≤ x ≤ 10
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