document.write( "Question 655253: Hi ok please answer this question fast thank yousom uch
\n" ); document.write( "My book has the answer but idk how that makes sense so heres the question: measurement angle A=3y, and measurement angle B=2(measurement angle A) whoch value of Y makes angle A supplementary to Agle B ?? i have 4 options( multiple choice) 10,18,20,36 the book says 20 ..but how ?? \n" ); document.write( "
Algebra.Com's Answer #409012 by ewatrrr(24785)\"\" \"About 
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document.write( "Hi,
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document.write( "A = 3y
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document.write( "B = 2A   
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document.write( "B = \"2%2A3y+=+6y\"
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document.write( "Angles supplementary: 
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document.write( "  A + B =  180°
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document.write( " 3y + 6y = 180°
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document.write( "     9y = 180°
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document.write( "      y = 20° \n" );
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