如图,点C在以AB为直径的⊙O上,BC=5,∠A=30°,则AC的长为( )
![](https://img.xkw.com/dksih/QBM/2021/4/9/2696126923841536/2703649887567872/STEM/0eb0a765-e043-443d-beb6-308ae0b0e375.png)
![](https://img.xkw.com/dksih/QBM/2021/4/9/2696126923841536/2703649887567872/STEM/0eb0a765-e043-443d-beb6-308ae0b0e375.png)
A.10 | B.8 | C.![]() | D.![]() |
更新时间:2021-04-20 06:12:41
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【推荐1】如图,分别以
三边为边向外作三个正方形,其面积分别用
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,
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的值为( ).
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】一个大正方形,被两条线段分割成两个小正方形和两个小长方形,若两个小正方形的面积分别为10和6,则小长方形的对角线AB的长为( )
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【推荐1】如图,点A、B、C在
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【推荐2】如图,点A,B,C都在
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A.26° | B.30° | C.32° | D.64° |
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