Answer:
180 - 46 - 83 = 51 is the measure of angle C
the exterior angle at angle C, and angle C, are supplementary. since angle C is 51 because of the interior angle triangle sum theorem, then the exterior angle is: 180 -51 = 129 degrees.
Step-by-step explanation:
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assuming each grid is 1
period = 11 - 1
= 10
It would be B)no.
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Y is 42°
The x is not the picture