Respuesta :

This can be solved using the pythagorean theorem. The theorem is shown below:

c^2 = a^2 + b^2

The hypotenuse is c, so substituting the given values:

c^2 = (5)^2 + 12^2
c^2 = 25 + 144
c = sqrt(169)
c = 13

Therefore, the correct answer is B. 13 cm.