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Answer :

Mhanifago

Answer:

Use Pythagorean:

  • a² + b² = c²

#1

  • x² = 16² - 8²
  • x² = 192
  • x = √192
  • x = 12.73, not an integer

Not a Pythagorean triple

#2

  • x² = 40² + 9²
  • x² = 1681
  • x = √1681
  • x = 41

It is a Pythagorean triple (9, 40, 41)

#3

  • x² = 6² + 13²
  • x² = 205
  • x = √205
  • x = 14.32, not an integer

Not a Pythagorean triple

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