document.write( "Question 309971: If 10% of an angle 'a' is the complement of 40% of 'a', find 'a'? \n" ); document.write( "
Algebra.Com's Answer #221711 by mananth(16946)\"\" \"About 
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40% of a = 0.4a
\n" ); document.write( "10% 0f a = 0.1a\r
\n" ); document.write( "\n" ); document.write( "The sum of these = 90 deg
\n" ); document.write( "0.4a+0.a = 90
\n" ); document.write( "0.5a = 90
\n" ); document.write( "multiply by 10\r
\n" ); document.write( "\n" ); document.write( "5a= 900
\n" ); document.write( "a= 180
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