如图,在菱形ABCD中,∠ABC=120°,AB=10cm,点P是这个菱形内部或边上的一点.若以P,B,C为顶点的三角形是等腰三角形,则P,A(P,A两点不重合)两点间的最短距离为______ cm.
![](https://img.xkw.com/dksih/QBM/2017/12/3/1830627544195072/1831245118898176/STEM/8ba32c82bc9f4b6984d3d3850077df35.png?resizew=165)
更新时间:2017-12-04 16:20:38
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【推荐1】如图,P是等边
内部一点,
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为边的三角形的三个内角中最大角与最小角的和的大小是________ .
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【推荐2】如图,在等边三角形
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延长线上截取
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【推荐1】如图,在菱形
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【推荐2】如图,在菱形ABCD中,对角线AC、BD相交于点O,AC=6,BD=8,点P是AC延长线上的一个动点,过点P作PE⊥AD,垂足为E,作DC延长线的垂线,垂足为F,则|PE-PF|=_____ .
![](https://img.xkw.com/dksih/QBM/2016/1/11/1573950934908928/1573950940774400/STEM/dcdf86396ce8452598a09cdcd7d79a75.png?resizew=160)
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