The Law of Cosines
1 Use the Law of Cosines $\mathrm { A } = 109 ^ { \circ } , \mathrm { B } = 39 ^ { \circ } , \mathrm { C } = 32 ^ { \circ }$

Multiple Choice

The Law of Cosines
1 Use the Law of Cosines to Solve Oblique Triangles
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A) $\mathrm { A } = 109 ^ { \circ } , \mathrm { B } = 39 ^ { \circ } , \mathrm { C } = 32 ^ { \circ }$
B) $\mathrm { A } = 39 ^ { \circ } , \mathrm { B } = 109 ^ { \circ } , \mathrm { C } = 32 ^ { \circ }$
C) $A = 109 ^ { \circ } , \mathrm { B } = 32 ^ { \circ } , \mathrm { C } = 39 ^ { \circ }$
D) $\mathrm { A } = 39 ^ { \circ } , \mathrm { B } = 32 ^ { \circ } , \mathrm { C } = 109 ^ { \circ }$