Respuesta :

12.

We know [tex] a^{2} + b^{2} = c^{2} [/tex].  So [tex] 35^{2} + b^{2} = 37^{2} [/tex].

So it would be:
1225 + [tex] b^{2} [/tex] =1369.

[tex] b^{2} = 144[/tex]

So b = 12.