Respuesta :

Chelboy

Answer:5.7

Step-by-step explanation:

adjacent=5.5

Hypotenuse=x

theta=50°

cos(theta)=adjacent ➗ hypotenuse

Cos50=5.5 ➗ x

0.9650=5.5 ➗ x

Cross multiplying we get

0.9650 x x=5.5

Divide both sides by 0.9650

(0.9650 x x)/0.9650=5.5/0.9650

x=5.7