Which scenario cannot be modeled by a right triangle?

In A, the measurements form a 5-12-13 right triangle. In C, the sides satisfy 28² + 45² = 53², and in D, 119² + 120² = 169², so both can be modeled by right triangles. In B, walking 60 yards north and 80 yards west puts Wendy √(60² + 80²) = 100 yards from school, not 10 yards, so those distances cannot describe the stated right-triangle path.

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