document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=207726>Question 207726</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/1565770390/algebrahomeworkh>Advanced Mathematics An Incremental Development</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> The complement of angle A is 20 degrees less than half the supplement of angle A. Find the measure of angle A. Where do I start from here.  </SPAN>\n" );
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document.write( "The complement of angle A is 20 degrees less than half the supplement of angle A. Find the measure of angle A. Where do I start from here. \r<BR>\n" );
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document.write( "The complement of angle A is: (90 - A)\r<BR>\n" );
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document.write( "The supplement of angle A is: (180 - A)\r<BR>\n" );
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document.write( "Since the complement of A is 20 degress less than half the supplement of angle A, then we have:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2890+-+A%29+%2B+20+=+%281%2F2%29%2A%28180+-+A%29 ALIGN=MIDDLE  ALT=\"%2890+-+A%29+%2B+20+=+%281%2F2%29%2A%28180+-+A%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=110+-+A+=+%28180+-+A%29%2F2 ALIGN=MIDDLE  ALT=\"110+-+A+=+%28180+-+A%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Cross-multiplying, we get: 2(110 - A) = 180 - A\r<BR>\n" );
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document.write( "220 - 2A = 180 - A\r<BR>\n" );
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document.write( "- 2A + A = 180 - 220\r<BR>\n" );
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document.write( "- A =  - 40\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A+=+%28-40%29%2F-1 ALIGN=MIDDLE  ALT=\"A+=+%28-40%29%2F-1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "A = 40\r<BR>\n" );
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document.write( "Therefore, angle A = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%2840%29 ALIGN=MIDDLE  ALT=\"highlight_green%2840%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > degrees. </SPAN>\n" );
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