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Posted by **Knights** on Wednesday, December 26, 2012 at 3:34pm.

I tried listing them all but I get confused...Please help thank you!

- math problem triangle inequality help -
**Reiny**, Wednesday, December 26, 2012 at 3:53pmThe sum of any two sides must be greater than the third side for a triangle to exist

let the third side be x

x+11>17 AND x+17>11 AND 11+17> x

x > 6 AND x>-6 AND x < 28

so 6 < x < 28

So how many positive integers can you count between 6 and 28 exclusive ?

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