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Step-by-step Answer
PAGE: 45SET: ExercisesPROBLEM: 3
Please look in your text book for this problem Statement

The measure of is .

The skis shows and are vertical angles and are supplementary angles.

Since vertical angles are congruent.

So,.

Since are supplementary angles.

So,              (Sum of the measures of supplementary angles is )

                      (Substitute )

      (Subtract 60 from each side)

                               (Subtract: )

Since are vertical angles

So, .

The measures are .



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