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OpenStudy (logan13):
The measure of an angle is 51°. What is the measure of its supplement? A. 39° B. 49° C. 129° D. 139°
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rishavraj (rishavraj):
supplementary angle adds upto 180 :)) so x + 51 = 180
OpenStudy (theprofessor35):
So, a supplement has a total of 180
OpenStudy (theprofessor35):
Solve for x 180 - 51 = x
OpenStudy (alex6799):
180-51=129
OpenStudy (theprofessor35):
x = 129 the value of the other angle is 129
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OpenStudy (theprofessor35):
Done! Simple?
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