如图,已知
中,
、
、
,将
绕点
旋转,使点
落在边
上的点
处,此时点
落在点
,
与
相交于点
,则
长为 ___________ .
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2024九年级下·上海·专题练习 查看更多[2]
(已下线)专题03 填空小压轴图形的翻折、旋转(68题专练)-备战2024年中考数学考试易错题(上海专用)(已下线)特色题型专练09 三大运动-旋转-备战2024年中考数学考试易错题(江苏专用)
更新时间:2024-03-04 20:35:46
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【推荐1】如图,在
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【推荐2】定义:如果三角形中有两个角的差为90°,则称这个三角形为互融三角形,在 Rt△ABC 中,∠BAC= 90°,AB = 4 ,BC = 5 ,点D 是 BC 延长线上一点.若 △ABD 是“互融三角形”,则 CD 的长为________ .
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【推荐1】已知a,b,c分别是Rt△ABC的三条边长,c为斜边长,∠C=90°,我们把关于x的形如y=
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【推荐1】如图,
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