MadSci Network: Other

Subject: Triangle on a sphere

Date: Sun Mar 11 14:52:51 2001
Posted by Jon and Mike
Grade level: 10-12 School: No school entered.
City: No city entered. State/Province: No state entered. Country: US
Area of science: Other
ID: 984340371.Ot

I was wondering, if you draw a triangle on a sphere do the angles still add up 
to 180 degrees? I was thinking that they do but my friend who is working with me 
on the problem thinks that the curves from drawing it on the sphere may mess up 
the triangle somehow.

We just read an answer in your archives that says the angles always add up to 
more than 180 degrees but I don't see where this is. Each of the corners still 
looks like the same angle to me. Can you help me understand what is going on?
Thank you for any help mad scientists.

Re: Triangle on a sphere

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