Answer:
13
Step-by-step explanation:
a^2+b^2=c^2
12^2+5^2=c^2
144+25=c^2
169=c^2
c=13
I am a little rusty on this but I think to solve youd do
12^2 which is 144 plus 5^2 which is 25, add together and get 169 and then find that the square root of 169 is 13.
