Solve the triangle. Find the angles  and  first.
-$\mathrm { a } = 19 , \mathrm {~b} = 16 , \mathrm { c } = 11$
A) $\alpha = 35.3 ^ { \circ } , \beta = 57.3 ^ { \circ } , \gamma = 87.4 ^ { \circ }$
B) $\alpha = 87.4 ^ { \circ } , \beta = 57.3 ^ { \circ } , \gamma = 35.3 ^ { \circ }$
C) $\alpha = 57.3 ^ { \circ } , \beta = 87.4 ^ { \circ } , \gamma = 35.3 ^ { \circ }$
D) $\alpha = 87.4 ^ { \circ } , \beta = 35.3 ^ { \circ } , \gamma = 57.3 ^ { \circ }$

Question

Quizplus · Accepted Answer

Using the law of cosines, we find $\alpha = 87.4^\circ$, $\beta = 57.3^\circ$, and $\gamma = 35.3^\circ$.

Solve the Triangle a=19, b=16,c=11\mathrm { a } = 19 , \mathrm {~b} = 16 , \mathrm { c } = 11a=19, b=16,c=11

Solve the Triangle $\mathrm { a } = 19 , \mathrm {~b} = 16 , \mathrm { c } = 11$