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Answer 1

Answer:

37 yd

Step-by-step explanation:

Use the Law of Sines here.  (sin A)/a = (sin B)/b = (sin C)/c

In this particular case, we note that side AB is opposite the 15 degree angle, and that the 10 yd side is opposite the 15 degree angle.

Therefore, we have

  BC          10 yd

----------- = ------------

sin 106       sin 15

Solving this yields | BC | = 37 yd (rounded up from 37.14 yd).