By law of cosine we have the following equation:
b ^ 2 = 28 ^ 2 + 22 ^ 2 - 2 * 28 * 22 * cos (34)
Clearing b we have:
b = root (28 ^ 2 + 22 ^ 2 - 2 * 28 * 22 * cos (34))
Calculating we have:
b = 15.7043214
Rounding:
b = 15.7 yd
Answer:
b = 15.7 yd
option 1