if line a and line b make a right angle and line c is the rest, prove:
1. a+b>c
2. ba>c
3. c>b or c>a
right angle triangle
2008-03-11 12:45 am
回答 (1)
2008-03-11 3:48 am
✔ 最佳答案
1.a^2+b^2=c^2(a+b)^2=a^2+2ab+b^2
so (a+b)^2>c^2
a+b>c
2.This question have some problem.Ifa=1&b=1,c=square root3.ab=1
a^2 or b^2
so c>b or c>a
收錄日期: 2021-04-13 19:09:01
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080310000051KK01417