a^2= b^2+c^2 - 2bc•cosA
14^2= 9^2 + 6^2 -2x9x6xCosA
196= 81 + 36 - 108xCosA
196- 117= 108CosA
79/108= cos A
0.7315= cosA
A= cos^-1(0.7315)
A= 42.98
SineA/a=sineB/b= sineC/c
Sin42.98/14 = sineB/9
B = sin^-1((9•sin42.98)/14)
B= 25.99
C= 180-(25.99+ 42.98)
C= 111.03
