Answer:
Step-by-step explanation:
Given is a right angled triangle in which third side is the hypotenuse.
Therefore, by Pythagoras theorem:

Answer:
they are different
Step-by-step explanation:
Answer:
True.
Step-by-step explanation:
Let a,b,c integers and a | (ab+c), that is to say that there exist a integer k such that ab+c = ka. Then:
ab+c = ka
c = ka-ab
c = a(k-b). So, c is a multiple of a, that is a | c.