Respuesta :

a^2+b^2=c^2
10^2+12^2=x^2
100+144=244
sqrt(244)=15.620499351813308788259445471518=x

Pythagorean theorem: a^2 + b^2 = c^2 so
12^2 + 10^2= c^2
144+100= 244
sqrt above equation.
c=15.6