Answer:
B
Explanation:
Use the Law of Cosines to find the measure of segment c:

c ≈ 23.01593821 km ≈ 23 km
Since c = 23 km, our only options are choices B and D. Now, let's find the measure of angle A to confirm. To do this we will use the Law of Sines:
![(sin(A))/(a) =(sin(C))/(c) \\\\(sin(A))/(12)=(sin(134))/(23.01593821)\\\\sin(A)=12((sin(134))/(23.01593821))\\\\A=sin^(-1)[12((sin(134))/(23.01593821))]\\\\](https://img.qammunity.org/2023/formulas/mathematics/high-school/kczlxv1w3sd3h8a70c0dbmdn4zsxhht2mb.png)
A ≈ 22.02726885° ≈ 22°
Since the measure of c = 23 km and the measure of angle A = 22°, the answer must be choice B.