Respuesta :

jcherry99

Answer:

Step-by-step explanation:

Cos(theta) = adjacent / hypotenuse.

Adjacent = 29

Hypotenuse = 31

Cos(theta) = 29/31

Cos(theta) = 0.5355

theta= cos-1(0.5355)

theta = 20.69

Answer: (Rounded) = 21