document.write( "Question 317562: In a triangle ABC, angle B is 4 times angle A and angle C is 15 degrees less than 5 times angle A. \r
\n" ); document.write( "\n" ); document.write( "Find the size of the angles.
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Algebra.Com's Answer #227414 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
The sum of the angles in a triangle is 180.
\n" ); document.write( "\"A%2BB%2BC=180\"
\n" ); document.write( "\"A%2B4A%2B%285A-15%29=180\"
\n" ); document.write( "\"10A-15=180\"
\n" ); document.write( "\"10A=195\"
\n" ); document.write( "\"highlight%28+A=19.5%29\"
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\n" ); document.write( "\"B=4A\"
\n" ); document.write( "\"highlight%28B=78%29\"
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\n" ); document.write( "\"C=5A-15\"
\n" ); document.write( "\"highlight%28+C=82.5%29\"
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