Respuesta :

 
              I                       
           a I                    c
              I
              I----------------------------- to find the hypotenuse is a^2+b^2=c^2
                                b                                                          3^2 + 4^2
                                                                                               =9+16
                                                                                                   25
                                                                                           you square it
                                                                                               c=5