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Re: Mathematics Question
From: Herbert Prinz
Date: 2006 Mar 30, 02:38 -0500
From: Herbert Prinz
Date: 2006 Mar 30, 02:38 -0500
Robert Eno wrote: > Just to make sure I got this right, please have a look at the diagram > on the > following website: > > http://whatis.techtarget.com/definition/0,,sid9_gci528813,00.html > > Is the lens-shaped figure in red called a steradian or does this term > refer > only to the cone shaped figure in the centre of the sphere? I am looking > for the name of the red lined shape. > > Robert, It appears that I misunderstood your question. You said "arc" and I thought "angle". What you really wanted was the name for the curved surface of a spherical cap (i.e. the surface without the flat bottom), right? I am not sure whether there is a name for that, at least I am not aware of any. Herbert
