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Triangle Perimeters (Posted on 2013-02-13) Difficulty: 3 of 5
1. Of all triangles with integer sides which has the smallest perimeter and 3 different length sides.

2. Determine the total number of different integer sided triangles there are with perimeter 15.

No Solution Yet Submitted by Jer    
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re(2): Resist | Comment 3 of 6 |
(In reply to re: Resist by Jer)

Um?
from #1 "3 different length sides".

I carried that thought into #2 assuming that was also the intent of "different integer sided triangles".

If replication of integers is allowed then I also offer:
7-7-1, 7-6-2, 7-5-3, 7-4-4, 6-6-3, 6-5-4 and 5-5-5.


See:

http:  //members.iinet.net.au  /~brianjnow  /perplexus  /Perplexians.html (delete all spaces)

Edited on December 21, 2013, 5:54 am
  Posted by brianjn on 2013-02-13 23:38:18

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