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Re: Mathematics Question
From: Fred Hebard
Date: 2006 Mar 30, 08:43 -0500
From: Fred Hebard
Date: 2006 Mar 30, 08:43 -0500
The surface area is still measured by the stearidian, either relatively in degrees**2 or absolutely by including the radius of the sphere (assuming a spherical shape). On Mar 30, 2006, at 8:14 AM, Alexandre E Eremenko wrote: > I call it a spherical cup. > Some mathematicians call it a "spherical cap" :-) > Others call it a "disc on the sphere", and even > a "spherical disc". > A > > On Wed, 29 Mar 2006, Robert Eno wrote: > >> A math question for list: >> >> Given that a segment of a circle >> is called an "arc", can anyone >> tell me what its two-dimensional >> equivalent on a sphere is called? >> >> Robert >>