If a pair of congruent triangle that is SAS (Side-Angle-Side), but the angle's degree is 90, I should write SAS or RHS???
更新1:
[img]http://img201.imageshack.us/img201/9319/p1010682.jpg[/img] Refer to the figure
關於相等三角形
2009-04-29 3:22 am
Why don't we have SSA???
If a pair of congruent triangle that is SAS (Side-Angle-Side), but the angle's degree is 90, I should write SAS or RHS???
If a pair of congruent triangle that is SAS (Side-Angle-Side), but the angle's degree is 90, I should write SAS or RHS???
回答 (3)
2009-04-29 3:49 am
✔ 最佳答案
樓上個ANSWER好似唔岩= =.
RE: Why don't we have SSA???
因為 SSA的話, 個三角形的樣有兩個可能性,
睇下張圖: http://2uploadhk.com/view/19667/SSA2.JPG
佢地有一個相同大小的角( GREEN),
有一條相同長度的線(PINK).
再有多一條相同長度的線(BLUE & ORANGE),
但佢地唔係相等的
參考: ME
2009-05-01 12:07 am
S.A.S.
收錄日期: 2021-04-23 20:39:13
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090428000051KK01238