Respuesta :

Step-by-step explanation:

Given

it is a right angled triangle so

with reference angle x

hypotenuse (h) = 12

base (b) = 5

Now

cos x = b / h

cos x = 5 / 12

x = cos ^-1 ( 5/12)

Therefore x = 65.4°

Hope it will help :)

Answer:

Step-by-step explanation: