TT gwd-6-30

citicsbond · 发表于 2006-7-27 10:35:00

The circle shown has center R. If arc UST has length 48π, what is the radius of the circle?

A. 18

B. 24

C. 32

D. 48

E. 64

- arc UST 不就是周长吗？48π = 2πr =>r = 24 , 答案为什么是C

yaoyao99 · 发表于 2006-7-27 10:36:00

Please see http://forum.chasedream.com/dispbbs.asp?boardID=22&ID=183827&page=1 on how to search for existing discussions! Thank you and good luck with studying!

citicsbond · 发表于 2006-7-27 11:21:00

hey..yaoyao,please don't reply me if you were going to add links.coz i am very stupid and i don't know how to search it.....

yaoyao99 · 发表于 2006-7-27 12:00:00

That's why we have instructions trying to help you figure it out.

http://forum.chasedream.com/dispbbs.asp?boardID=22&ID=128922&page=1

yaoyao99 · 发表于 2006-7-27 12:05:00

We've all been through that. Hope you'll invest some time and try it out. It will really help you in the long run and make sure study more effective and efficient.

citicsbond · 发表于 2006-7-27 13:03:00

i will have to invest more time on searching the discussion links.

singledream · 发表于 2006-7-27 13:17:00

以下是引用yaoyao99在2006-7-27 12:05:00的发言：

We've all been through that. Hope you'll invest some time and try it out. It will really help you in the long run and make sure study more effective and efficient.

yaoyao99: 我也不喜欢看到你的链接，如果你不想帮忙回答问题，可以把这个空间留给其他热心的CDERS。说到这儿，忍不住要赞一下以前的斑竹们。。。

说真的，看到你的链接，让我想起国内的服务，呆板，生硬。。。

一来，你给的链接里的题目并不全。

二来，有的人只针对某一个问题提问，并且时间紧张。这种情况下，你的链接毫无帮助。

三，有的人网速不高，打开一个链接要等很长时间，一点也不efficient.

其实，我很appreciate 你的劳动。但希望你的回帖more effective and efficient一点，请少给点链接！！！

citicsbond · 发表于 2006-7-27 13:20:00

顶。。。

singledream · 发表于 2006-7-27 13:21:00

话说重了，请见谅！

kallyli · 发表于 2006-7-27 13:22:00

我很少用搜索功能但今天试了一下, 很奇怪. 数据库好象不能使用模糊查找,而且不能用内容定位. 说一下我的建议, 可能有点无理. 虽然论坛规定发贴格式,但还是有一些偏差,这些偏差也应该定义一下. 否则势必造成搜索不全.

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