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26-03-2018
Mathematics

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The measure of an angle is 172.2°. what is the measure of a supplementary angle?

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Critzlez Critzlez

26-03-2018

Supplementary angles are when they add two 180 degrees. Therefore, the formula for this is:

172.2° + x = 180°

180 - 172.2 = x

x = 7.8°

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