'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 相似三角形 相似三角形的性质及其判定是学习的重点,相似三角形、全等三角形及锐角...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 三角形的四心:外心、内心、重心、垂心。在了解这四心之前我们先了解一下三角形的...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 锐角三角形函数 对锐角三角函数的学习,需要掌握三种锐角三角函数的定义、特殊的三...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 一、相似、全等的关系 全等和相似是平面几何中研究直线形性质的两个重要方面,全等...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 01三角形三边关系证题 遇到三角形三边关系定理及不等式性质证题的时候,如果不能直...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 等边三角形 等边三角形是特殊的等腰三角形,具有等腰三角形所有的性质,且三边都相...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})();...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 直角三角形 对于直角三角形的学习需要掌握几大块知识点,直角三角形的性质、直角三...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 初中几何中,三角形内接四边形是经常考到的题型,一般是内接平行四边形、矩形、正...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 等腰三角形 等腰三角形的学习需要从定义、性质和判定三方面去学习和掌握,等腰三角...