To prove that sum of two sides of a triangle minus the third side is less than the third side?
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let the sides be so you have to prove
Keep in mind
Last edited by soni; Jul 14th 2010 at 09:24 PM.
Originally Posted by soni but how i can prove that a + b > c ? That is a given otherwise you would not have a triangle.
will you give me proof of this question i.e. a + b - c < c ?
Let's re-write it like this
and because then it still holds that
now given then we must be finished!
Thanks a lot
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