若正多边形的一个外角是
,则该正多边形的内角和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-12-26 12:41:39
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【知识点】 图形的性质
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【推荐1】
是锐角三角形
的两条高,如果
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等于( )
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单选题
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较易
(0.85)
【推荐2】如图,公路
,
互相垂直,公路
的中点
与点
被湖隔开.若测得
的长为
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,
两点间的距离为( )
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