document.write( "Question 439327: Determine the width of the this river, if AB = 96 m, AC = 204 m, and BD = 396 m.\r
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document.write( "Here is the diagram: http://i.imgur.com/MkzoV.png\r
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document.write( "The triangles are attached.\r
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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
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document.write( "Please clarify by showing all steps. \n" );
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Algebra.Com's Answer #303649 by Alan3354(69443) You can put this solution on YOUR website! DE is the width of the river. \n" ); document.write( "-------- \n" ); document.write( " \n" ); document.write( "BC = 180 \n" ); document.write( "CD = 396 - 180 = 216 \n" ); document.write( "-------- \n" ); document.write( "DE = AB*216/180 \n" ); document.write( "DE = 115.2 m \n" ); document.write( " \n" ); document.write( " |