如图,在六边形ABCDEF中,∠A+∠F+∠E+∠D =
,∠ABC的平分线与∠BCD的平分线交于点P,则∠P度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
19-20八年级上·湖北武汉·期中 查看更多[7]
湖北省武汉市第八中学2019-2020学年八年级上学期期中数学试题广东省广州市越秀区广州大学附属中学2020-2021学年八年级上学期期中数学试题(已下线)专项复习06 第六章 平行四边形-2020-2021学年八年级数学下学期期末专项复习(北师大版,广东专用)河北省唐山市乐亭县2020-2021学年八年级下学期期末数学试题培优专题二 角度的相关计算第6章 4 课时1 多边形的内角和第9章 9.2 课时2多边形的外角和
更新时间:2019-11-04 06:58:57
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单选题
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解题方法
【推荐1】如图,在
中,
,
与
的角平分线交于
,
与
的角平分线交于点
,依此类推,
与
的角平分线交于点
,则
的度数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/23/cbcc18e9-1713-4bba-9411-6c404e8a7e82.png?resizew=156)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80e56feb858a38f68412d4d7691fcf86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6795cae2df43a722e1355e9562d93c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3a877a09197e361bb310902e99e99b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9edf2cf8b5f59689676d455d179b4e6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c296e45b84cf67a98939aa7334e7d478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5fb3313e7f9ca0dd8858071984185bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aeb7734243a328031f2eac2579b0bfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd78a60a8364e6aaaa2761555f330236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55288502ff8afb4d8a2d9a8355f3a333.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/23/cbcc18e9-1713-4bba-9411-6c404e8a7e82.png?resizew=156)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,
的角平分线
相交于F,
,
,且
于G,下列结论:
①
;
②
;
③
;
④
平分
.
其中正确的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d30197f7da6fb03091b98f707075e204.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f89deb952f57f4b3fa4887b098b7b91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c05420ab262912cf41f46bc3b0af070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e19e12973f08c220691c8f552b7bbdb.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794ee710ea753e0104a23a2822dc8761.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76904e59ca00db15e14ce600e562b6af.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd975cff6481fa637bea11470cf3780.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31123a003f9c8be58e0d78399e43c14a.png)
其中正确的个数是( )
A.1 | B.2 | C.3 | D.4 |
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【推荐1】如图,已知
,
,若沿图中虚线剪去
,则
等于( )
![](https://img.xkw.com/dksih/QBM/2020/1/26/2385419004903424/2386189036331008/STEM/db87f8c6a678421292905fc9e6ee2911.png?resizew=143)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a8793053fbb2ac5a3122b092a575124.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4678ff1b3ea3bd09ed3494a0efe31c.png)
![](https://img.xkw.com/dksih/QBM/2020/1/26/2385419004903424/2386189036331008/STEM/db87f8c6a678421292905fc9e6ee2911.png?resizew=143)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,将一张圆形纸片对折三次后,沿图④中的虚线
剪下(点A和B为半径的中点),得到两部分,去掉有圆弧的部分,剩余部分展开后得到的平面图形的内角和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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