Respuesta :

akposevictor

Answer:

x = 9.83

Step-by-step explanation:

Reference angle = 55°

Opposite = x

Hypotenuse = 12

Apply trigonometric function SOH:

Sin 55 = Opp/Hyp

Sin 55 = x/12

12 × Sin 55 = x

9.82982453 = x

x = 9.83 (nearest hundredth)