Solve the triangle.b = 4, c = 6, ? = 80°

A. a = 6.61, ? = 63.4°, ? = 36.6°
B. a = 5.61, ? = 63.4°, ? = 36.6°
C. a = 7.61, ? = 36.6°, ? = 63.4°
D. a = 6.61, ? = 36.6°, ? = 63.4°


Answer: D

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