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标题: 问大家道题! [打印本页]

作者: friend_friends    时间: 2008-8-16 18:11     标题: 问大家道题!

in 三角形PQR , if PQ=x+2, and PR=y. which of the three angles of 三角形PQR has the greatest degree measure?
(1)y=x+3
(2)x=2

答案是A
我的答案是E
请高手给予指点!多谢!


作者: lixiaoguangs    时间: 2008-8-17 07:45

长边对应的角大,X+3必然比X和X+2大,角PQR也最大。
作者: SunnyApples    时间: 2008-8-17 19:54

It seems that the conditions are not complete.

It should be that one side is X, another side is x+2, the 3rd side is y, right?

If that 's the case, then A is correct.

otherwise E.


作者: friend_friends    时间: 2008-8-24 15:44

题目没有说还有一条边为X,这也正是我困惑的地方
作者: lixiaoguangs    时间: 2008-8-24 16:02

这题没仔细看,所以上来就给答案了...
 
原题是OG11 yellow上的第32道题,x有给定,估计这个是打漏了...




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