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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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Solution Resist | Comment 1 of 6
One must resist the temptation to offer the 1-2-3 triangle which has no area.

1. 2,3,4

2. 7-6-2, 7-5-3 and 6-5-4 yield perimeters of 15.

  Posted by brianjn on 2013-02-13 21:02:13
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