Question

Calculate the length.

Answer 1

A squared+B squared=C squared
6 squared+B squared=7 squared
36+B squared=49
B squared=49-36=13
B squared=13
b=square root of 13
b=3.61
choice B

Answer 2

A^2 + B^2 = C^2

6^2 + B^2 = 7^2

36 + B^2 = 49

B^2 = 13

B = 3.61

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