use what reason to prove
係等邊三角形
and
等邊三角形三隻角一樣
Prove of maths
2007-08-12 8:55 am
回答 (2)
2007-08-12 9:05 am
✔ 最佳答案
第二個我記得,叫property of eq.△ 
2007-09-05 1:26 am
等邊三角形的reason係 base∠s﹐isos△
等邊三角形三隻角一樣的reason property of eq.△
等邊三角形三隻角一樣的reason property of eq.△
參考: My book
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070812000051KK00324