The measures of two angles .
and b = 3.
Now find the measure of the third angle.
\The sum of the angle measures of a triangle is
.


Subtract 100 from each side.
\
(Apply Law of sines)
(Substitute
and b = 3)

Apply Cross multiplication
then
.
\ \

Divide each side by 0.9848.
\
(Apply Law of sines)
(Substitute
and
)
\ \
Apply Cross multiplication
then
.


Divide each side by 0.9396.
\
The values are
,
, and
.