(江西专用)2019中考数学总复习第一部分教材同步复习第七章图形与变换第27讲图形的对称、平移、旋转与位似权威预测.doc

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(江西专用)2019中考数学总复习第一部分教材同步复习第七章图形与变换第27讲图形的对称、平移、旋转与位似权威预测.doc_第1页
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1第一部分 第七章 第 27 讲1如图,将矩形 ABCD 沿直线 EF 折叠,使顶点 C 恰好落在顶点 A 处,已知AB4, AD8,则线段 AF 长为( C )A6 B4.5 C5 D72如图,在 ABC 中, AB4,将 ABC 沿射线 AB 方向平移得到 A B C,连接CC.若 A C恰好经过 BC 边的中点 D,则 AB的长度为 6.3如图,在菱形 ABCD 中, ABC120, DAB60, APB100.若把 BPD绕点 B 旋转至 BQC 的位置,且当 PQD 恰为轴对称图形时,则 DPQ 的度数是 100或70或 40.

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