My Math Forum Sum of three angles

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 April 18th, 2013, 08:24 PM #1 Math Team     Joined: Mar 2012 From: India, West Bengal Posts: 3,871 Thanks: 86 Math Focus: Number Theory Sum of three angles Hi members of MMF, My father almost had to force me this week to let me do geometry. I never liked it much, however, it's quite a fun to do them as I reckon slowly. I already had a whole reading of the geometry book by now, and after that, I asked my father that how much tight upper bounds can we get for the sum of three angles of a triangle without getting introduced to the parallels? I haven't seriously tried it yet, but a bound of 270 degrees is obvious since the sum of two angles of a triangle must be smaller than 180 degrees. Just write down the best bound you can find but not the method, Balarka .
 April 19th, 2013, 12:09 AM #2 Global Moderator   Joined: Dec 2006 Posts: 17,172 Thanks: 1285 How about the 270° you've already mentioned?
April 19th, 2013, 09:42 AM   #3
Math Team

Joined: Mar 2012
From: India, West Bengal

Posts: 3,871
Thanks: 86

Math Focus: Number Theory
Re: Sum of three angles

Quote:
I'm trying to get a bound tighter than 270°

 Tags angles, sum

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