Respuesta :

mojix99

Answer:

6.7

Step-by-step explanation:

a2 + b2 = c2

6 2 + b2 = 9 2

36 + b2 = 81

-36 .        - 36

0 .             45

45 2

6.7

maddiejohnson085
6.7 i really hope this helps if not let me know asap :)

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