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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