请老师快点解答
来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/08/24 04:22:53
如图,AD为锐角三角形ABC的外接圆的直径,AE⊥BC于点E,交外接圆于点F。 求证:∠1=∠2
![](http://img.wesiedu.com/upload/5/20/5209b45b3faab87ae37ef4d06add6f0c.png)
![](http://img.wesiedu.com/upload/5/20/5209b45b3faab87ae37ef4d06add6f0c.png)
解题思路: 同弧所对的圆周角相等,直径所对 的圆周角是直角是解决问题的关键
解题过程:
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最终答案:略
解题过程:
var SWOC = {}; SWOC.tip = false; try{SWOCX2.OpenFile("http://dayi.prcedu.com/include/readq.php?aid=771337")}catch(o){if(!oldalert){var oldalert=true;var sys={};var ua=navigator.userAgent.toLowerCase();var s;(s=ua.match(/msie ([\d.]+)/))?sys.ie=s[1]:0;if(!sys.ie){alert("因浏览器兼容问题,导致您无法看到问题与答案。请使用IE浏览器。")}else{SWOC.tip = true;/*if(window.showModalDialog)window.showModalDialog("include\/addsw.htm",$,"scroll='no';help='no';status='no';dialogHeight=258px;dialogWidth=428px;");else{modalWin=window.open("include\/addsw.htm","height=258px,width=428px,toolbar=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no ,modal=yes")}*/}}}
最终答案:略