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

question 147

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) \(\mathrm { A } = 39 ^ { \circ } , \mathrm { B } = 32 ^ { \circ } , \mathrm { C } = 109 ^ { \circ }\)