If two angles are supplementary, their measures add up to 180 degrees.
Let's say x and y are supplementary angles, then we have:
x + y = 180
Given that x = 125, we can substitute this value into the equation:
125 + y = 180
Now, let's solve for y:
y = 180 - 125
y = 55
Therefore, if x = 125, y would be equal to 55.
Use the realaionship between supplementary angles to determind the value of y if x =125
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