document.write( "Question 439327: Determine the width of the this river, if AB = 96 m, AC = 204 m, and BD = 396 m.\r
\n" ); document.write( "\n" ); document.write( "Here is the diagram: http://i.imgur.com/MkzoV.png\r
\n" ); document.write( "\n" ); document.write( "The triangles are attached.\r
\n" ); document.write( "\n" ); document.write( "I thought that the width was 96 m because it's across the river, but the answer in my textbook is 115 m.\r
\n" ); document.write( "\n" ); document.write( "Please clarify by showing all steps.
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Algebra.Com's Answer #303649 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
DE is the width of the river.
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\n" ); document.write( "\"BC+=+sqrt%28AC%5E2+-+AB%5E2%29\"
\n" ); document.write( "BC = 180
\n" ); document.write( "CD = 396 - 180 = 216
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\n" ); document.write( "DE = AB*216/180
\n" ); document.write( "DE = 115.2 m
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