已知△ABC,用直尺和圆规画△DEF,使得△ABC≌△DEF.
<p>问题:已知△ABC,用直尺和圆规画△DEF,使得△ABC≌△DEF.<p>答案:↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">刘济熙的回答:<div class="content-b">网友采纳 (1)作∠MEN=∠ABC; (2)以E点为圆心,BC长为半径画弧,交EN于F; (3)以E点为圆心,以BA长为半径画弧交EM于D,连接DF. 则△DEF就是所求的三角形.
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