Answer: 43
Explanation:
It is a right triangle. You need to use SOH CAH TOA
To find the angle they gave you the side that is adjacent to the angle and the hypotenuse. So use. CAH
cos x = adjacent/hypotenuse
cos x 22/30
x = cos⁻¹ (22/30)
x = 42.83
x = 43 rounded