The Law of Cosines
1 Use the Law of Cosines $$a = 8 , b = 11 , C = 123 ^ { \circ }$$

Multiple Choice

The Law of Cosines
1 Use the Law of Cosines to Solve Oblique Triangles
- $$a = 8 , b = 11 , C = 123 ^ { \circ }$$

A) $\mathrm { c } = 16.8 , \mathrm {~A} = 24 ^ { \circ } , \mathrm { B } = 33 ^ { \circ }$
B) $\mathrm { c } = 19.7 , \mathrm {~A} = 26 ^ { \circ } , \mathrm { B } = 31 ^ { \circ }$
C) $\mathrm { c } = 22.6 , \mathrm {~A} = 22 ^ { \circ } , \mathrm { B } = 35 ^ { \circ }$
D) no triangle