Respuesta :

Answer:

6.8

Step-by-step explanation:

a^2 + b^2 = c^2

6.6^2 + b^2 = 9.5^2

43.56 + b^2 = 90.25

b^2 = 90.25 - 43.56

b^2 = 46.69

(take square root of both sides)

b = 6.8

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