Answer:
do u want to go out and talk about the same stuff I did on my own time u said
You need a picture to lable and draw it so we can awnser your question
Answer:
a ≈ 19.45
Step-by-step explanation:
<u><em>Law of Cosines</em></u>
a=c2+b2﹣2cbcosγ
=112+132﹣2·11·13·cos(108°)
≈19.45196
Cos Y = 8/17
sin Y = 15/17
tan Y = 15/8