Subject:
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Here's looking at Euclid
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Newsgroups:
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lugnet.off-topic.fun
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Date:
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Tue, 1 Aug 2000 16:32:15 GMT
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Viewed:
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174 times
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Since I haven't had geometry in a zillion years, I'm ill-equipped to solve a
little dilemma I've run across, and I thought a few of the more math-minded
among us might be able to help. Here goes:
Given two points on a circle, can one compute the diameter of the circle if
the distance between the two points is known? How would one do so?
In the name of mercy, please keep it simple in accordance with my mathless
brain, but I appreciate any help you folks can give!
Thanks in advance,
Dave!
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Message has 4 Replies:
 | | Re: Here's looking at Euclid
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| (...) You can, if a third constraint is also given. Do you also know the angle between the lines that connect the above mentioned points to the centre? or distance of the line (that connects the above mentioned points again) to the centre? or any (...) (24 years ago, 6-Apr-00, to lugnet.off-topic.fun)
| | | Re: Here's looking at Euclid
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| (...) [x-post and f.u.t. to off-topic.geek since this could get complicated] Well, I have a B.A. in math, but I think this should be a simple enough answer: you can't. The main explanation is that it generally takes three distinct points to (...) (24 years ago, 1-Aug-00, to lugnet.off-topic.fun, lugnet.off-topic.geek)
| | | Re: Here's looking at Euclid
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| (...) You're talking about two points on the circumfrence of the circle, right? ATM, I don't see how you could figure it out without also knowing the arc between the two points (err, IOW, the angle that they form if connected to the center of the (...) (24 years ago, 1-Aug-00, to lugnet.off-topic.fun)
| | | Re: Here's looking at Euclid
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| Dave Schuler <orrex@excite.com> wrote in message news:FyMGLr.GC4@lugnet.com... (...) a (...) math-minded (...) if (...) mathless (...) Well, one can only compute the circle IF the two points you are talking about are 180o from each other!! (...) (24 years ago, 1-Aug-00, to lugnet.off-topic.fun)
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