Answer: B. (5, 12, 13)
Answer: (B) (5, 12, 13)
\(5^2 + 12^2 = 25 + 144 = 169 = 13^2\), so the squares of the two smaller numbers add up to the square of the largest.
The other triplets fail: \(1^2 + 5^2 = 26 \ne 100\); \(2^2 + 3^2 = 13 \ne 16\); \(5^2 + 5^2 = 50 \ne 4\).