document.write( "Question 478017: m ∡B = 124.7°. Determine the measure of the supplement ∡B. I need a little help with this homework question. Geometry has always confused me.\r
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Algebra.Com's Answer #327539 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "m ∡B = 124.7°. Determine the measure of the supplement ∡B\r
\n" ); document.write( "\n" ); document.write( "the supplementary angles add up to \"180\"°; so,\r
\n" ); document.write( "\n" ); document.write( "the supplement ∡B=\"180\"°-\"124.7\"°\r
\n" ); document.write( "\n" ); document.write( "the supplement ∡B=\"55.3\"°
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