Algebra 2, 2008
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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 6.5
Apply inverse function.
The sum of the angle measures of a triangle is .
(Substitute )
Subtract 103 from each side.
The value of ,, .
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