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梯形内角和多少度怎样计算

更新时间: 2020-09-18 00:00:00     

360度分成2个三角形,因为每个三角形内角和是180度,180+180=360360度分成2个三角形,因为每个三角形内角和是180度,180+180=360。

关键词: 梯形 内角 多少 怎样 计算

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