document.write( "Question 494380: how do you measure angles \n" ); document.write( "
Algebra.Com's Answer #335828 by cleomenius(959)\"\" \"About 
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Angles are usually measured in terms of degrees or radians.
\n" ); document.write( "Angles can be measured using a protractor, together with teh following postulate:
\n" ); document.write( "The Protractor Postulate:
\n" ); document.write( "If we place one ray of an angle at 0 degrees on a protractor and we place a vertex at the midpoint of the bottom edge, then there is a 1:1 correspondence between all other rays that can serve as the second side of the angle and the real numbers between 0 degrees and 180 degrees, as indicated by the protractor.
\n" ); document.write( "Cleomenius.
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