SOLUTION: In the triangle abc, |ab|=12cm, bc=10cm, <bac=30 degrees. Find the remaining angles of the two possible triangles. Thank you

Algebra ->  Trigonometry-basics -> SOLUTION: In the triangle abc, |ab|=12cm, bc=10cm, <bac=30 degrees. Find the remaining angles of the two possible triangles. Thank you      Log On


   

Question 397896: In the triangle abc, |ab|=12cm, bc=10cm,
Thank you
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
In the triangle abc, |ab|=12cm, bc=10cm, -----------------
|ab| ?? ab might be negative?
----------
Law of Sines:
10/sin(30) = 12/sin(C)
C = arcsin(0.6)
C =~ 36.87º
B = 113.13º
---------------
C =~ 143.13º
B = 6.87º