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

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) $\mathrm { A } = 64 ^ { \circ } , \mathrm { B } = 52 ^ { \circ } , \mathrm { C } = 64 ^ { \circ }$