Question

Find the Pythagorean triplet from among the following sets of numbers ? *

5, 12, 15

8, 15, 18

12, 16, 20

7, 20, 25

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Answer 1

Answer:

12, 16, 20

Step-by-step explanation:

1. 5²+12² = 25 + 144 = 169 = 13² ≠ 15² (×)
2. 8²+15² = 64 + 225 = 289 = 17² ≠ 18² (×)
3. 12²+16² = 144 + 256 = 400 = 20² (✓)
4. 25²-7² = 625-49 = 576 = 24² ≠ 20² (×)

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