等腰三角形有一个角等于
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16aa0b9869db50a9ab48cc32925d8e96.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() ![]() |
更新时间:2024-03-07 08:58:45
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【推荐1】如图,在△ABC中,∠A=α,∠B=∠C,点D是△ABC外一点,E,F分别在AB,AC上,ED与AC交于点G,且∠D=∠B,若∠1=2∠2,则∠EGF的度数为( )
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A.180°﹣2α | B.60°![]() | C.90°![]() | D.30°![]() |
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【推荐2】下列说法不能推出△ABC是直角三角形的是( )
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【推荐1】如图所示,
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【推荐2】如图,
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A.4根 | B.5根 | C.6根 | D.7根 |
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