1. ΔABC ~ ΔPQR,
而∠A=63°, ∠B=80°, ∠C= 37°
∠P=p°, ∠Q=q°, ∠R= r°
搵出未知數既值
~~~~~~~~~~~~~~~~~~~~~~~~~~
唔該呀,,我一定要答案呀,,
收錄日期: 2021-04-25 21:55:49
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070809000051KK00757