# A triangle has sides A, B, and C. The angle between sides A and B is #(2pi)/3# and the angle between sides B and C is #pi/12#. If side B has a length of 12, what is the area of the triangle?

##### 1 Answer

Mar 8, 2018

37.5034

#### Explanation:

First, we find the missing angle

for the next side we get 9.170785943 ide A

http://www.teacherschoice.com.au/Maths_Library/Trigonometry/solve_trig_AAS.htm for more details

the area is 37.5034

here is a good online calculator for this

https://www.mathopenref.com/heronsformula.html

and also how I got to this area.