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Use the relationship between supplementary angles to determine the value of why if X equals 125° would the answer be 125° 35° 305° or 55°
If X equals 125° and the relationship between supplementary angles is used, we can determine the value of Y.
Supplementary angles are two angles that add up to 180°. Therefore, if X equals 125°, then the supplementary angle Y would be:
Y = 180° - X
Y = 180° - 125°
Y = 55°
So, the value of Y would be 55°.