document.write( "Question 366711: in a triangle ABC,angle B is 4 times angle A and angle C is 15 less than 5 times angle A. \n" ); document.write( "
Algebra.Com's Answer #261394 by edjones(8007)\"\" \"About 
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b=4a
\n" ); document.write( "c=5a-15
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\n" ); document.write( "a+4a+5a-15=180
\n" ); document.write( "10a=195
\n" ); document.write( "a=19.5 deg
\n" ); document.write( "b=78 deg
\n" ); document.write( "c=82.5 deg
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