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总结帝笔记—初三寒假班第三讲
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对于该题,知识点为:平行线分线段成比例和
相似。
就记住:“对应”;“交叉可互换”
A选项:
B选项:
C. 正确
D选项:
延伸: (纯自创)
已知:
求
Diagram showing triangle ABC with points D on AB and E on AC such that DE is parallel to BC. M is a point on BC. Line segment AM intersects DE at N. Line segments DM and EM are also drawn, forming the quadrilateral ADEM.
看到(面积) (平行) (比例) 直接锁定: 相似,
(相似比) = 面积比 这就是对知识点的敏感度
干掉它!
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