Question

............ pls help

Answer 1

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

Answer 2

6.7

Explanation:

a2 + b2 = c2

6 2 + b2 = 9 2

36 + b2 = 81

-36 . - 36

0 . 45

45 2

6.7