Respuesta :

Answer:

  • 1) 5 in, 12 in, 13 in

Step-by-step explanation:

1)

  • 5² + 12² = 13²
  • 25 + 144 = 169
  • 169 = 169
  • Yes

2)

  • 5² + 7² = 9²
  • 25 + 49 = 81
  • 74 ≠ 81
  • No

3)

  • 10 + 12 < 30, there is no possible triangle with given sides as per triangle inequality theorem
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