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hl证明三角形全等是哪两条边
更新时间: 2020-10-22 00:00:00  

hl证明三角形全等是直角边和斜边。HL定理是证明两个直角三角形全等的定理,即通过证明两个直角三角形直角边和斜边对应相等来证明两个三角形全等。判定定理为如果两个直角三角形的斜边和一条直角边对应相等,那么这两个直角三角形全等(简记为HL)是一种特殊判定方法,可转换为SSS,是在这种情况下可以确定SAS成立的一种情况。

关键词: hl 证明 三角形

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