# A triangle has sides A, B, and C. Sides A and B are of lengths #2# and #5#, respectively, and the angle between A and B is #pi/12#. What is the length of side C?

##### 1 Answer

Jan 27, 2016

#### Explanation:

Use the trigonometric relationships e.g. sine = opposite /hypotenuse

Similarly

Using Pythagoras,

:.

Using the fact that