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The figure shows the design of a mosaic tile in which the four sides of the square are the diameters of four intersecting semicircles. Small blue stones are to be placed in the shaded regions and will cover 95 percent of the area of these regions. If each side of the square has length 2 feet, approximately how many square feet of the tile will be covered by the blue stones?
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当前版本由 嘻嘻嘻嘻嘻嘻呵呵 更新于2021-02-05 15:07:46 感谢由 嘻嘻嘻嘻嘻嘻呵呵 对此题目的解答所做出的贡献。
翻译：图中显示的是一个马赛克瓷砖的设计，正方形的四个面是四个相交的半圆的直径。蓝色的小石头被放置在阴影区域，将覆盖这些区域的 95%。如果正方形的每一面都有 2 英尺长，大约有多少平方英尺的瓷砖会被蓝色的石头覆盖?
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