如图,O是直线AC上一点,OB是一条射线,OD平分∠AOB,OE在∠BOC内,且∠DOE=60°,∠BOE=
∠EOC,则下列四个结论正确的个数有( )
①∠BOD=30°;②射线OE平分∠AOC;③图中与∠BOE互余的角有2个;④图中互补的角有6对.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/8/fb4bb1f4-b6c8-4b76-a63f-b6028d982e05.png?resizew=191)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
①∠BOD=30°;②射线OE平分∠AOC;③图中与∠BOE互余的角有2个;④图中互补的角有6对.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/8/fb4bb1f4-b6c8-4b76-a63f-b6028d982e05.png?resizew=191)
A.1个 | B.2个 | C.3个 | D.4个 |
19-20七年级上·河南许昌·期末 查看更多[6]
河南省许昌市襄城县2019-2020学年七年级上学期期末数学试题(已下线)2020-2021学年七年级数学上册《单元测试定心卷》(人教版)第四章 几何图形初步(能力提升)河南省南阳市夏集初中2019-2020学年七年级上学期期末数学试题黑龙江省牡丹江市2021-2022学年七年级上学期期末数学试题河南省漯河市临颍县2023-2024学年七年级上学期期末数学试题辽宁省盘锦市兴隆台区第一完全中学2022-2023学年七年级上学期期末数学试题
更新时间:2020-03-05 09:39:49
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