they share one angle ABC=DBA, how do you get the second pair of

来源: 翎燕 于 2012-09-17 08:14:26 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)
回答: Triangle BAC and BDA are similar. 由 acreek 于 2012-09-17 08:06:45
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