如图,
和
都是等腰直角三角形,
,四边形
是平行四边形,在不添加辅助线的情况下,图中与
全等的三角形共有____________ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26813466e2ee49a493881a4384fc8748.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b9d54cbbf601f4583659771eb534997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb49df05f2e31d005735c3f14a21d30.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/11/be5a6216-bcca-431c-abdb-413c7ff6063b.png?resizew=152)
2024八年级·全国·竞赛 查看更多[2]
更新时间:2024-02-27 14:43:12
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【推荐1】如图,
是
的平分线,
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,
、
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【推荐2】如图,在
中,
,
,点E的边
上,
,点P是线段AC上一动点,点F是线段
上一动点,
___________ .当
的值最小时,
___________
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【推荐1】(1)如图①,
,
两地被池塘隔开,在
中,
,
的中点分别为
,E.测量得
米,则
,
之间的距离等于______米;
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与
之间的数量关系,作了以下探究,请帮他完成探究过程.如图②,延长
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.
,
分别为
,
的中点,
,
.
在
和
中,
,
,
,
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.
,
.
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,
,
.
四边形
是平行四边形______
填推理的依据
.
.
与
之间的数量关系是______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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名校
【推荐2】如图,在
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【推荐1】如图,在平面直角坐标系中,四边形
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,
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【推荐2】如图,在平面直角坐标系中,直线
、直线
交于点
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在线段
上从点
开始以每秒1个单位的速度向点
运动.设点
的运动时间为t秒,当
为等腰三角形时![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
___________ .
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