Respuesta :

Answer:

12

Step-by-step explanation:

Pytagorean theorem: a^2 + b^2 = c^2

Now lets solve!!

7^2 + b^2 = 14^2

49 + b^2 = 196

Now we subtract!!

196 - 49 = 147

Now we find the square root to find the answer!!

[tex]\sqrt{147}[/tex] = 12 :)

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