Math question please help
If you get this question right I will mark you as a brainliest

Law of cosines:
b^2 = a^2+c^2 -2*a*c*cos(B)
b^2 = 400^2 + 240^2 - 2*400*240*cos(16)
b^2 = 217600 - 184562.25
b^2 = 33037.75
b = sqrt(33037.75)
b = 181.76 = 181.8 yds.
The answer is D.