A triangle has sides A, B, and C. Sides A and B are of lengths #3# and #14#, respectively, and the angle between A and B is #pi/6#. What is the length of side C?
1 Answer
Jan 14, 2016
c ≅11.5
Explanation:
Law of cosines:
Where a and b are sides opposite angles A and B and
In this example
Therefore:
Therefore