In triangle
, angle
,
, and side
.
The sum of three angles in any triangle is
.

Find the value of
by using the law of sines.
Law of sines :
.
Consider
.
Substitute the values
,
, and
in above equation.

\
Find the value of
by using the law of sines.
Consider
.
Substitute the values
,
, and
in above equation.

The angle
,
, and
.