The Law of Cosines
1 Use the Law of Cosines $$a = 9 , b = 9 , c = 8$$

question 151

Multiple Choice

The Law of Cosines
1 Use the Law of Cosines to Solve Oblique Triangles
- $$a = 9 , b = 9 , c = 8$$

• A) \(\mathrm { A } = 64 ^ { \circ } , \mathrm { B } = 64 ^ { \circ } , \mathrm { C } = 52 ^ { \circ }\)
• B) \(\mathrm { A } = 65 ^ { \circ } , \mathrm { B } = 65 ^ { \circ } , \mathrm { C } = 50 ^ { \circ }\)
• C) \(\mathrm { A } = 52 ^ { \circ } , \mathrm { B } = 64 ^ { \circ } , \mathrm { C } = 64 ^ { \circ }\)
• D) \(\mathrm { A } = 64 ^ { \circ } , \mathrm { B } = 52 ^ { \circ } , \mathrm { C } = 64 ^ { \circ }\)

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