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Re: Mathematical Question
From: Robert Eno
Date: 2002 Sep 19, 21:09 -0400
From: Robert Eno
Date: 2002 Sep 19, 21:09 -0400
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 WhatcottTo: 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! >