document.write( "Question 1151231: an american flag has the shape of the golden rectangle. the flags longer side is 5 feet less than twice the length of its shorter side. find the dimensions of the flag, rounded to the nearest foot. \n" ); document.write( "
Algebra.Com's Answer #772908 by josmiceli(19441)\"\" \"About 
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Make 2 lengths add up to \"+1+\" and
\n" ); document.write( "be in golden ratio to each other.
\n" ); document.write( "\"+x+%2F+%28+1+-+x+%29+=+%28+1+-+x+%29+%2F+1+\"
\n" ); document.write( "\"+x+=+%28+1+-+x+%29%5E2+\"
\n" ); document.write( "\"+x+=+1+-+2x+%2B+x%5E2+\"
\n" ); document.write( "\"+x%5E2+-+3x+%2B+1+=+0+\"
\n" ); document.write( "\"+x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"
\n" ); document.write( "\"+x+=+%28+-%28-3%29+%2B-+sqrt%28+9+-+4%2A1%2A1+%29%29+%2F+%28+2%2A1%29+\"
\n" ); document.write( "\"+x+=+%28+3+-+sqrt%28+5+%29%29+%2F+2+\"
\n" ); document.write( "and
\n" ); document.write( "\"+1+-+x+=+2%2F2+-+%28+3+-+sqrt%285%29+%29+%2F+2+\"
\n" ); document.write( "\"+1+-+x+=+%28+2+-+3+%2B+sqrt%285%29+%29+%2F+2+\"
\n" ); document.write( "\"+1+-+x+=+%28+-1+%2B+sqrt%285%29+%29+%2F+2+\"
\n" ); document.write( "------------------------------------------------
\n" ); document.write( "Let the length of the shorter side = \"+y+\"
\n" ); document.write( "\"+2y+-+5+\" = length of the longer side
\n" ); document.write( "-------------------------------------------------
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\"+y+%2F+%28+2y+-+5+%29+=+%28+3+-+2.2361+%29+%2F+%28+-1+%2B+2.2361+%29+\"
\n" ); document.write( "\"+y+%2F+%28+2y+-+5+%29+=+.7639+%2F+1.2361+\"
\n" ); document.write( "\"+y+%2F+%28+2y+-+5+%29+=+.618+\"
\n" ); document.write( "\"+y+=+.618%2A%28+2y+-+5+%29+\"
\n" ); document.write( "\"+y+=+1.236y+-+3.09+\"
\n" ); document.write( "\"+.236y+=+3.09+\"
\n" ); document.write( "\"+y+=+13.093+\"
\n" ); document.write( "and
\n" ); document.write( "\"+2y+-+5+=+2%2A13.093+-+5+\"
\n" ); document.write( "\"+2y+-+5+=+26.186+-+5+\"
\n" ); document.write( "\"+2y+-+5+=+21.186+\"
\n" ); document.write( "To the nearest foot, the dimensions are
\n" ); document.write( "13 x 21
\n" ); document.write( "-------------
\n" ); document.write( "check the math & get 2nd opinion if needed\r
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