Step-by-step Answer
PAGE: 791SET: ExercisesPROBLEM: 17
Please look in your text book for this problem Statement

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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