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Workplace/career 1 1 1 Minutes 1
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In ancient times, a king gave two 20-meter-long ropes to his two sons respectively, and told them that the land enclosed by the ropes on the map would be divided between them. However, they could not use circles or triangles, but only rectangles. Although the ropes are the same length, the land enclosed by the younger brother is 10 square meters more than that of the older brother. Why?

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