SOLUTION: One angle is three times its supplement increased by 20􏰒. Find the measures of the two supplementary angles.
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Question 699485: One angle is three times its supplement increased by 20. Find the measures of the two supplementary angles.
Answer by sp75(12) (Show Source): You can put this solution on YOUR website!
Supplementary Angles: Two angles who's sum is equal to 180 degrees
Therefore, if I have angle x, and its supplement angle is 3 times that angle increased by 20 degrees, then I know the following:
Angle 1 = x
Angle 2 =
Both of these angles add to 180 degrees.
=
=
= Angle 1 = 40 degrees
=>Angle 2
=
=140 degrees
Check:
Angle 1 + Angle 2= 180
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