如图,AB
CD,AC与BD相交于点O,若∠A=25°,∠D=45°,则∠AOB的大小为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/fd0ca373-70ab-4677-96cb-715db7427898.png?resizew=140)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/fd0ca373-70ab-4677-96cb-715db7427898.png?resizew=140)
A.90° | B.110° | C.120° | D.135° |
20-21七年级下·四川成都·期末 查看更多[3]
四川省成都市锦江区2020-2021学年七年级下学期期末数学试题(已下线)专题11.9 三角形的内角(巩固篇)(专项练习)-2022-2023学年八年级数学上册基础知识专项讲练(人教版)(已下线)专题1.9 认识三角形-三角形的内角(巩固篇)(专项练习)-2022-2023学年八年级数学上册基础知识专项讲练(浙教版)
更新时间:2021-08-15 23:53:32
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