Two squares are positioned, as shown. The smaller square has side length 1 and the larger square has side length 7. The length of AB is

Answer Choices
A. 14
B. \sqrt{113}
C. 10
D. \sqrt{85}
E. \sqrt{72}
Two squares are positioned, as shown. The smaller square has side length 1 and the larger square has side length 7. The length of AB is
Answer Choices
A. 14
B. \sqrt{113}
C. 10
D. \sqrt{85}
E. \sqrt{72}