Solve the Triangle Using the Law of Cosines $\approx$ 220° C $\approx$

Solve the triangle using the law of cosines. Round to tenths.

A) A $\approx$ 22.0° C $\approx$ 138.0°
B $\approx$ 80.7 cm
B) A $\approx$ 158.0° C $\approx$ 2.0°
B $\approx$ 80.7 cm
C) A $\approx$ 56.0° C $\approx$ 104.0°
B $\approx$ 36.4 cm
D) A $\approx$ 124.0° C $\approx$ 36.0°
B $\approx$ 36.4 cm