SOLUTION: an angle measures 51 degrees, what is the measure of its supplementary angle?

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Question 489263: an angle measures 51 degrees, what is the measure of its supplementary angle?
Answer by cleomenius(959)   (Show Source): You can put this solution on YOUR website!
180 - 51 = 129 degrees.
The supplement of 51 degrees is 129 degrees.
Cleomenius.

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