document.write( "Question 965345: If angle a and angle b are supplementary angles and angle A is four times as large as angle b than what would there measurements be> \n" ); document.write( "
Algebra.Com's Answer #590060 by rm29924(97)\"\" \"About 
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supplementary angles add up to 180 degrees
\n" ); document.write( "so we know a + b = 180
\n" ); document.write( "a is four times as large as b
\n" ); document.write( "so a = 4b
\n" ); document.write( "substitute 4b for a into a + b = 180
\n" ); document.write( "4b + b =180
\n" ); document.write( "combine like terms
\n" ); document.write( "5b = 180
\n" ); document.write( "divide both sides by 5 to get the variable b by itself
\n" ); document.write( "b = 36
\n" ); document.write( "plug 36 back into the original equation to figure out what a is
\n" ); document.write( "a + 36 = 180
\n" ); document.write( "subtract 36 from both sides
\n" ); document.write( "a = 144\r
\n" ); document.write( "\n" ); document.write( "answer angle a is 144 degrees and angle b is 36 degrees
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