可否幫我解決呢一題啊!!
http://img396.imageshack.us/img396/8725/0005bv4.jpg
maths about F.3(only1)
2008-04-15 3:38 am
回答 (1)
2008-04-15 3:53 am
✔ 最佳答案
the actual distance of AB if A and B is at the same level1.5cmx100000=1.5km
the 2.5km is like the hypotenuse of a triangle.
so the difference in height is the square root of
2.5x2.5-1.5x1.5=2km
收錄日期: 2021-04-29 20:25:01
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080414000051KK02126