document.write( "Question 1207028: The measure of an angle is 139.8°. What is the measure of its supplementary angle? \n" ); document.write( "
Algebra.Com's Answer #844833 by mananth(16946)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "The measure of an angle is 139.8°. What is the measure of its supplementary angle?\r
\n" ); document.write( "\n" ); document.write( "Supplementary angles are the angles that add up to 180 degrees.\r
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\n" ); document.write( "\n" ); document.write( "180-139.8 = 40.2 degrees\r
\n" ); document.write( "\n" ); document.write( "The measure of the supplementary angle is 40.2 degrees\r
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