Respuesta :

Answer:

c = 12.73

Step-by-step explanation:

a^2 + b^2 = c^2

9^2 + 9^2 = c^2

81 + 81 = c^2

162 = c^2

c = [tex]\sqrt{162}[/tex]

c = 12.7279221

c = 12.73

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