如图,将一张长方形纸片ABCD沿对角线BD折叠后,点C落在点E处,连接BE交AD于F,再将三角形DEF沿DF折叠后,点E落在点G处,若DG刚好平分∠ADB,那么∠BDC的度度数为( ).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/27/4830048c-53d4-4f3f-81c8-83077df8ce88.png?resizew=161)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/27/4830048c-53d4-4f3f-81c8-83077df8ce88.png?resizew=161)
A.60° | B.54° | C.40° | D.36° |
21-22七年级上·福建龙岩·期末 查看更多[3]
福建省龙岩市上杭县2021-2022学年七年级上学期期末数学试题(已下线)期末卷C卷-【帮课堂】2022-2023学年七年级数学上册同步精品讲义(苏科版) (已下线)期末难点特训(三)几何图形中的角度计算-【微专题】2022-2023学年七年级数学下册常考点微专题提分精练(苏科版)
更新时间:2022-02-14 16:08:19
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