Respuesta :

Answer:

27: 9.239 (Rounded to three decimal places)

28: 36.890 (Rounded to three decimal places)

Step-by-step explanation:

27:

tan 57° = x/6

x = 6tan57°

x = 9.239

28:

sin 31° = 19/x

x = 19/sin31°

x = 36.890