Respuesta :

Answer:

y = 180 - (30+90)

y = 180 - 120

y = 60°

tan 30 = x/(4 root 3)

0.577 = x/ (4 root 3)

0.577 × 4 root 3 = x

x = 4

cos 30 = 4 root 3/z

0.866 = 4 root 3/z

0.866z = 4 root 3

z = 4 root 3/0.866

z = 8