The answer is A. 5,12,13 because it is one of the triples . You can check by squaring 5 and 12 see if it equals 13. So 5^2 = 25 + 12^2=144 . 144+25= 169 13^2=169
The question is asking to choose among the following choices that states the set of integers which describe a Pythagorean triple, base on my research, the possible answer would be letter A. 5, 12, 13. I hope you are satisfied with my answer and feel free to ask for more if you have questions
