Posted by **Anonymous** on Thursday, November 29, 2012 at 10:25am.

a triangle has sides of lengths 12, 14, and 19 is it a Right Triangle? Explain

- Geometry -
**Steve**, Thursday, November 29, 2012 at 10:46am
it is a right triangle only if

19^2 = 12^2 + 14^2

since

12^2 ends in 4

14^2 ends in 6

19^2 ends in 1

it is not possible.

- Geometry -
**Annie**, Tuesday, November 12, 2013 at 5:37pm
it is not a right triangle. the easiest way i determine is if they are factors of 3,4 and 5

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