Respuesta :

Answer:

x = 18.5°

Step-by-step explanation:

90° = (6x - 21°)

90 + 21 = 6x - 21 + 21

111 = 6x

6x = 111

6x ÷ 6 = 111 ÷ 6

x = 18.5

Answer:

X = 18.5°

Step-by-step explanation: