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In the trapezoid, line segment AB is parallel to GH and JI. If the overall altitude of the trapezoid is 20cm, and the distance between line segment AB and GH is x cm, then which of the following would be an expression, in terms of x, the length of line segment AB?
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· 相关考点
4.4.4 梯形 4.3.11 全等与相似三角形
4.4.4 梯形
4.3.11 全等与相似三角形
以上解析由 考满分老师提供。