Respuesta :

By Pythagorean's theorem, a^2 + b^2 = c^2
5^2 + 7^2 = c^2 
74 = c^2 
c = sqrt(74) 
So, now we know that the answer is 5/sqrt(74). 
This can also be written as (5sqrt(74))/74
the answer is .58 :)