如图,P是等边三角形ABC内一点,将线段AP绕点A顺时针旋转60∘得到线段AQ,连接BQ,若PA=3,PB=4,PC=5,则四边形APBQ的面积为_____
![](https://img.xkw.com/dksih/QBM/2019/5/16/2205023308324864/2207248275423232/STEM/61f8f7f4323c40ccafde370185d3bc57.png?resizew=157)
18-19八年级下·江苏连云港·期中 查看更多[3]
更新时间:2019-05-19 22:01:01
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【推荐1】如图,在正方形
中,
,点E,F分别在
,
上,且
,过点E作
,过点F作
,
与
交于点G,连接
,则
的长为______ .
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【推荐2】如图,在四边形
中,
是对角线,
,四边形
的面积是3,则
的长是____ .
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【推荐1】如图
中,
,
,
,点D,E分别是
,
的中点,将
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,
,当C,D,F三点共线时,
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【推荐2】如图,将
绕顶点A顺时针旋转
后得到
,且
为
的中点,
与
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,则线段
的长度为______ .
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【推荐1】已知
+|y﹣4|+(z﹣3)2=0,则以x,y,z为三边的三角形为_____ 三角形.
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【推荐2】如果三角形的三边分别为
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【推荐1】如图,在
中,
,
,将
绕点C顺时针旋转
得到
,点B的对应点
在边
上(不与点A,C重合),则
的度数为______ .
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【推荐2】如图,四边形ABCD,AB=3,AC=2,把△ABD绕点D按顺时针方向旋转60°后得到△ECD,此时发现点A、C、E恰好在一条直线上,则AD的长为__________ .
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