SOLUTION: One angle is twice its supplement increased by 21 degrees. Find the measures of the two supplementary angles.
Algebra.Com
Question 502589: One angle is twice its supplement increased by 21 degrees. Find the measures of the two supplementary angles.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Let x and y be your two angles. Let y be the larger angle.
Because x and y are supplementary angles, we know that
Since "One angle is twice its supplement increased by 21 degrees", this means that
So the smaller angle is 53 degrees.
The larger angle is then degrees.
So the two angles are 53 degrees and 127 degrees
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