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20-05-2019
Mathematics

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The difference between twice an angle's measure and it's supplement is 27. find the measure of the angle

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20-05-2019

x and y are supplementary angles

x - y = 27

x + y = 180

--------------------- We add the equations:

2x / = 207

2x = 207

x = 207/2

x = 103.5° = 103° : 30 min

y = 180° - 103.5° = 76.5° = 76° : 30min

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