Supplementary angles are two angles that add up to 180°.
If x° is 125°, then the supplementary angle of x° can be found by subtracting 125° from 180°:
180° - 125° = 55°
Therefore, if x° = 125°, then y° would be 55°.
Use the relationship between supplementary angles to determine the value of y° if x°=125° .
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