The measure of angle .
Find B
\ (Apply Law of sines)
(Substitute
)
Apply Cross multiplication then
.
Divide each side by 2.5.
\
Apply inverse function.
\
The sum of the angle measures of a triangle is .
(Substitute
)
Subtract 135 from each side.
\ (Apply Law of sines)
(Substitute
)
\ \
Apply Cross multiplication then
.
Divide each side by 0.9876.
\
The values are ,
, and
.