如图,平行四边形ABCD中,对角线AC与BD交于O,AC=6,BD=8,AB=5,则△BOC的周长是( )
![](https://img.xkw.com/dksih/QBM/2019/8/30/2280047075655680/2282627190276096/STEM/2c5a1e27e03b46f1b8db22c212f69f2e.png?resizew=165)
![](https://img.xkw.com/dksih/QBM/2019/8/30/2280047075655680/2282627190276096/STEM/2c5a1e27e03b46f1b8db22c212f69f2e.png?resizew=165)
A.12 | B.11 | C.14 | D.15 |
更新时间:2019-09-03 09:59:49
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【知识点】 利用平行四边形的性质求解解读
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A.(-3,-2) | B.(-3,2) | C.(-2,3) | D.(2,3) |
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【推荐2】如图,在□ABCD中,AB=10,∠ABC的平分线交边AD于点E,过点A作AF⊥BE于点F,若AF=6,则BE的长为( )
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A.18 | B.16 | C.10 | D.8 |
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