Lilahgodess Lilahgodess
  • 15-10-2021
  • Mathematics
contestada

Help help help please

Help help help please class=

Respuesta :

Аноним Аноним
  • 16-10-2021

Answer:

Step-by-step explanation:

a² + b² = c²

a² + 9² = 12²

a² + 81 = 144

a² = 63

a = √63

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