document.write( "Question 1013717: The dimensions of a rectangular piece of paper ABCD (shown in the diagram) are AB=10 and BC=9. It is folded so that the corner D is matched with a point F on edge BC. \r
\n" ); document.write( "\n" ); document.write( "EC = 4 (10-6=4)
\n" ); document.write( "FC = 5 (½ of 10 = 5)
\n" ); document.write( "EF = 6
\n" ); document.write( "EFC = 200 ((16 x 25)/2\r
\n" ); document.write( "\n" ); document.write( "Find a function for the area of triangle EFC in terms of x.
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Algebra.Com's Answer #630103 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "What diagram?\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it\r
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