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PAGE: 645SET: ExercisesPROBLEM: 8
Please look in your text book for this problem Statement

The given measures of one triangle is  .

Sum of the angle measures is .

                         (Add: )

                                              (Subtract: )

, and have same measure.

Let = the measure of and .

                            (Sum of the angle measures is )

      (Subtract 42 from each side)

                      (Apply additive inverse property: )

                             (Apply additive identity property: )

                                 (Add: 

                                            (Subtract:

                                      (Divide each side by 2

                                            (Cancel common term)

                                                 (Divide: )

The angles and .

The given angle measures are not equal.



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