# How do you solve the triangle when given a=11, b=7, c=9?

${\left(11\right)}^{2} = {\left(7\right)}^{2} + {\left(9\right)}^{2} - 2 \left(7\right) \left(9\right) \cos \left(A\right)$
Then, with the knowledge of angle $A$, use The Law of Sines to determine the other two angles.