SOLUTION: Two angles are supplementary and one angle is 40 degrees less then than other, Find the obtuse angle

Question 349646: Two angles are supplementary and one angle is 40 degrees less then than other, Find the obtuse angle
Found 2 solutions by rfer, ewatrrr:
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
x+x+40=180
2x=140
x=70 degrees
x+40=110 degrees
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
Hi,
Note: the sum of supplementary angles is 180
Let x be the larger. (x-40) the other angle.
.
x + (x-40) = 180
.
2x - 40 = 180
.
2x = 220
x = 110 is the obtuse angle
Definition of an obtuse angle. An angle between (but not including) 90deg and 180 deg
.
check you answer
112 + 70 = 180
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