如图,菱形
的边
,
,E是
的中点,F是边
上一点,将四边形
沿直线
折叠,A的对应点为
,当
的长度最小时,
的长是______ .
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2023·湖北武汉·一模 查看更多[4]
2023年湖北省武汉市中考一模数学试卷(已下线)第10讲 锐角三角比的意义-【暑假自学课】2023年新九年级数学暑假精品课(沪教版,上海专用)湖北省咸宁市通山县教联协作体2023-2024学年九年级下学期期中数学试题2024年陕西省商洛市丹凤县中考二模数学试题
更新时间:2023-05-09 19:05:30
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【推荐1】如图,在
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【推荐2】如图,在△ABC中,D为BC中点,将△ABD沿AD折叠得到△AED,连接EC,已知BC=6,AD=2,且S△CDE=
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【推荐1】如图,在菱形ABCD中,连接AC,AC=AB,点E在线段AC上,点F是边AD中点,连接BF、BE,且∠FBE=30°,CE=4,则AB的长为_____ .
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【推荐2】如图,在边长为2的菱形
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的中点,N是边
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沿
所在直线翻折得到
,连接
.当N为边
的中点时,
的长度为___________ ;点N在边
上运动的过程中,
长度的最小值为___________ .
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【推荐1】如图,在平行四边形
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沿
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【推荐2】如图,在Rt△ABC中,AB = CB,BO⊥AC,把△ABC折叠,使AB落在AC上,点B与AC上的点E重合,展开后,折痕AD交BO于点F,连接DE,EF,下列结论:①AB:BD=2:1;②图中有4对全等三角形;③若将△DEF沿EF折叠,则点D不一定落在AC上;④BD=BF;⑤
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【推荐2】如图,已知点A是双曲线y=﹣
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