使用勾股定理解这道题
来源:学生作业帮 编辑:搜搜考试网作业帮 分类:数学作业 时间:2024/07/13 15:24:52
以Rt三角形ABC的三边为斜边分别向外作等腰直角三角形,若斜边AB=3,则图中阴影部分面积为? 老师能不能写出解答过程让我看看?
![](http://img.wesiedu.com/upload/4/8b/48b2ee08a826c4cf520981574c4f0048.png)
![](http://img.wesiedu.com/upload/4/8b/48b2ee08a826c4cf520981574c4f0048.png)
![使用勾股定理解这道题](/uploads/image/z/525572-44-2.jpg?t=%E4%BD%BF%E7%94%A8%E5%8B%BE%E8%82%A1%E5%AE%9A%E7%90%86%E8%A7%A3%E8%BF%99%E9%81%93%E9%A2%98)
解题思路: 根据三角形面积公式及勾股定理求解
解题过程:
var SWOC = {}; SWOC.tip = false; try{SWOCX2.OpenFile("http://dayi.prcedu.com/include/readq.php?aid=397130")}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",$,"scroll='no';help='no';status='no';dialogHeight=258px;dialogWidth=428px;");else{modalWin=window.open("include\/addsw.htm","height=258px,width=428px,toolbar=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no ,modal=yes")}*/}}}
最终答案:略
解题过程:
var SWOC = {}; SWOC.tip = false; try{SWOCX2.OpenFile("http://dayi.prcedu.com/include/readq.php?aid=397130")}catch(o){if(!oldalert){var oldalert=true;var sys={};var ua=navigator.userAgent.toLowerCase();var s;(s=ua.match(/msie ([\d.]+)/))?sys.ie=s[1]:0;if(!sys.ie){alert("因浏览器兼容问题,导致您无法看到问题与答案。请使用IE浏览器。")}else{SWOC.tip = true;/*if(window.showModalDialog)window.showModalDialog("include\/addsw.htm",$,"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