The Law of Cosines
1 Use the Law of Cosines $$\mathrm { b } = 4 , \mathrm { c } = 6 , \mathrm {~A} = 80 ^ { \circ }$$

question 244

Multiple Choice

The Law of Cosines
1 Use the Law of Cosines to Solve Oblique Triangles
- $$\mathrm { b } = 4 , \mathrm { c } = 6 , \mathrm {~A} = 80 ^ { \circ }$$

• A) \(\mathrm { a } = 6.6 , \mathrm {~B} = 37 ^ { \circ } , \mathrm { C } = 63 ^ { \circ }\)
• B) \(a = 6.6 , \mathrm {~B} = 63 ^ { \circ } , \mathrm { C } = 37 ^ { \circ }\)
• C) \(a = 7.6 , B = 37 ^ { \circ } , C = 63 ^ { \circ }\)
• D) \(a = 5.6 , B = 63 ^ { \circ } , C = 37 ^ { \circ }\)

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