-Angle DEF
-definition of congruent angles
-the measure of angle GHI (<em>m<GHI)</em>
I don't really get what you are asking for. Can you clarify it?
I believe the answer is 88 because the 120 will create a straight angle which is 180. Then you do 180-120=60. This is the measure I the left angle. Now your answer will be 88
The total cost without tax would be $261, sales tax would be $15.66, if we add them together the answer would be $276.66