document.write( "Question 391965: In a triangle ABC, angle B is 4 times angle A and angle C is 9 degrees less than 5 times angle A.
\n" ); document.write( "Find the size of the angles.
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\n" ); document.write( "B
\n" ); document.write( "C
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Algebra.Com's Answer #278186 by edjones(8007)\"\" \"About 
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b=4a, c=5a-9
\n" ); document.write( "a+4a+5a-9=180
\n" ); document.write( "10a-9=180
\n" ); document.write( "10a=189
\n" ); document.write( "a=18.9
\n" ); document.write( "b=75.6
\n" ); document.write( "c=85.5
\n" ); document.write( ".
\n" ); document.write( "Ed
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