Tiangle ABC is formed by the three squares X, Y, and Z. Which statement best explains the relationship between the sides of triangle ABC? A. AB + BC = AC, because 25 + 144 = 169
B. (AB)^2 + (BC)^2 = (AC)^2, because 13^2 + 5^2 = 12^2
C. AB + BC = AC, because 13^2 + 5^2 = 12^2
D. (AB)^2 + (BC)^2 = (AC)^2, because 25 + 144 = 169