Question

In the triangle below, b = _____. If necessary, round your answer to two decimal places.
angle A is 42 degrees angle B is unknown angle C is 41.5 degrees side c is unknown side be is unknown side a is 37 Long (did not give me type of measurements
this is the shop of the tringle
http://assets.openstudy.com/updates/attachments/50e9c8d8e4b07cd2b6482cdf-bmf96-1357498593901-9688c1f35ab54de89ee280557f60aa54.gif

Answer 1

first find angle B : 180 - A -C

then use the sine law:
\(\Large \frac{b}{sin\ B}= \frac{a}{sin\ A} =\frac{c}{sin\ C}\)

Answer 2

thank you