The measure are .
Apply law of cosines to determine c.
\
(Substitute
)
Take square root each side.
\Find A
\ (Apply Law of sines)
(Substitute
)
Apply Cross multiplication then
.
\ \
Divide each side by 11.5.
\
Apply inverse function.
\The sum of the angle measures of a triangle is .
(Substitute
)
Subtract 82 from each side.
\
The value of ,
,
.