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Triangle Perimeter and Semi-Perimeter (Posted on 2015-01-04) Difficulty: 3 of 5
Consider a triangle ABC each of whose sides and area is an integer.

Prove separately each of these assertions:

(i) Perimeter of triangle ABC is always even.
(ii) Semi-perimeter of triangle ABC is always composite.

No Solution Yet Submitted by K Sengupta    
Rating: 4.0000 (1 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Some ThoughtsExtending the theoremSteve Herman2015-01-04 19:20:58
SolutionPart 2 proof (spoiler)Steve Herman2015-01-04 11:57:09
SolutionPart 1 proof (spoiler)Steve Herman2015-01-04 11:37:26
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