+29 How many non-congruent triangles with perimeter 16 inches are there whose side lengths are all integer numbers of inches?
I got (2,6,7),(3,5,7),(4,5,6)*3 = 9.
Am I missing something?
+118673 How many non-congruent triangles with perimeter 16 inches are there whose side lengths are all integer numbers of inches?
I got 5
2,7,7
3,6,7
4,5,7
4,6,6,
5,5,6
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2+6+7=15 so that it no good
In fact all yours have a perimater of 15, but the question says the perimeter is 16.
