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Subject: Re: Mathematical Question
From: Robert Eno (enoid@XXX.XXX)
Date: Thu Sep 19 2002 - 21:09:57 EDT
Ok, let's say that it has a lensatic shape and a circular base. What would
it be called?
I may have erred in my description. I guess and arc is two dimensional
whereas it's spherical equivalent would be three dimensional.
----- Original Message -----
From: Brian Whatcott <betwys@XXX.XXX>
To: <NAVIGATION-L@XXX.XXX>
Sent: Thursday, September 19, 2002 9:02 PM
Subject: Re: Mathematical Question
> At 07:30 PM 9/19/02, you wrote:
> >Greetings list,
> >
> >Given the rather esoteric nature of some of the recent discussions, I am
> >hopeful that one of you will have the answer to a long-standing question
> >of mine.
> >
> >What is the term used to describe a small 2 dimensional section of a
> >sphere? Or to put it another way, if a small section of a circle is
called
> >an "arc", what is the equivalent in a sphere?
> >
>
> A spherical surface may have an irregular perimeter, or be a
> spherical triangle, or spherical polygon, or a spherical segment of one
base
> according to
> Math Dictionary, James & James, Van Nostrand.
>
>
>
> Brian Whatcott
> Altus OK Eureka!
>
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