<PRE><B>Question 791873</B>
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If two angles are supplementary, then the sum of their measures is 180 degrees.  If one measures 60 degrees, then the other has to measure an amount that when added to 60 makes 180.  Subtracting 60 from 180 is one possible strategy.


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
&lt;font face=&quot;Math1&quot; size=&quot;+2&quot;&gt;Egw to Beta kai to Sigma&lt;/font&gt;
My calculator said it, I believe it, that settles it
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