航空百大

標題:

Silmiar Triangle

發問:

https://i.na.cx/fNCkV8.png 主要唔識 II / III

最佳解答:

• 有無人有軟件可以破解別人的qq密碼--- 急
• 請問有冇人有英文句子的發音網頁@1@
• active轉passive voices公式

 

此文章來自奇摩知識+如有不便請留言告知

24. The answer is : D. I and III only I. must be correct AB = CD (given) ∠CAB = ∠ECD(given) ∠ABC = ∠CDE(given) ΔABC ? ΔCDE (ASA) III. must be correct From I, ΔABC ? ΔCDE (proven) CA = CE (corr. sides, cong. Δs) Hence, ΔEAC must be an isos. Δ. II. may be incorrect From III, ΔEAC is an isos. Δ. It CANNOT prove that ΔABC is an isos. Δ. Hence, ΔABC may NOT be similar to ΔEAC.

其他解答: