|
|
|
|
|||||
|
||||||
Subject: Re: Mathematical Question
From: Vic Fraenckel (vfraenc1@XXX.XXX)
Date: Thu Sep 19 2002 - 21:47:00 EDT
Is this not a spherical triangle? Prehaps I misunderstand your description?
Vic
________________________________________________________
Victor Fraenckel - The Windman vfraenc1@XXX.XXX
KC2GUI www.windsway.com
Home of the WindReader Electronic Theodolite
Read the WIND
"Victory at all costs, victory in spite of all terror, victory however long
and hard the road may be; for without victory there is no survival."
- Winston [Leonard Spencer] Churchill (1874 - 1965)
Dost thou not know, my son, with how little wisdom the world is governed?
-Count Oxenstierna (ca 1620)
----- Original Message -----
From: "Robert Eno" <enoid@XXX.XXX>
To: <NAVIGATION-L@XXX.XXX>
Sent: Thursday, September 19, 2002 9:09 PM
Subject: Re: Mathematical Question
| 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!
| >
|
|