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The measures of two angles . and a = 1.
Now find the measure of the third angle.
The sum of the angle measures of a triangle is .
(Substitute )
Subtract 79 from each side.
(Apply Law of sines)
(Substitute )
Apply Cross multiplication then .
Divide each side by 0.2923.
(Apply Law of sines)
(Substitute and c = 3.0)
Apply Cross multiplication then .
Divide each side by 0.8829.
The values are .
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