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等边三角形的边有多长角度是多少
更新时间: 2020-10-26 00:00:00  

等边三角形三条边相等,又因为三角形内角和为180°,所以等边三角形三个角都是60°。等边三角形具有三线合一的性质,即等边三角形底边上的高,就是底边上的中线,也是顶角的角平分线。

关键词: 三角形 角度 多少

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