如图,
中,
,
的垂直平分线交
于点
.若
,
,则
的面积为 _____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65fc998d33cdf37c272f79cfd64b7b99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf7679c8b4b1e442ce4286d4b0e9c32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://img.xkw.com/dksih/QBM/2023/12/30/3400515825074176/3408738720071680/STEM/a7cf736adef1460ab6223791898dab17.png?resizew=192)
更新时间:2024-01-11 21:08:56
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【推荐1】如图,
中,
,
,
的面积为20,腰
的垂直平分线
分别交边
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,
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为
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【推荐2】如图,在平行四边形ABCD中,若点E是BD的中点,点M是AD上一动点,连接MB,MC,ME,并延长ME交BC于点N,设MD=tAM,有以下结论:①若△ABM≌△NMC,则MN⊥BD.②当t=1时,则BM=CM;③当t=2时,则S△MNC=S△EBM;其中正确的是___ .(填序号)
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【推荐2】若定义等腰三角形顶角的
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