Answer :

ktreyb
5² + B² = 8²
25 + B² = 64

Subtract 25 from both sides. 64 - 25 = 39

B² = 39
B = √39

As far as the rest, you would have to provide which angle you are referencing and a diagram so we can see where the legs and hypotenuse of the triangle lay. 

Other Questions