document.write( "Question 47823: Hi i have a question concerning similar triangles:\r
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document.write( "A six foot man is standing 10 feet away from a 20 foot lamppost. What is the lenght of his shadow?\r
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document.write( "i tried to work it out and thought maybe i should use a proportion
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document.write( " 20/10 X 6/a ----= 3 ft
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document.write( "thats what i got is that the correct answer? if not can you show me what is ? thanks! \n" );
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Algebra.Com's Answer #31642 by venugopalramana(3286)![]() ![]() You can put this solution on YOUR website! Hi i have a question concerning similar triangles: \n" ); document.write( "A six foot man is standing 10 feet away from a 20 foot lamppost. What is the lenght of his shadow? \n" ); document.write( "i tried to work it out and thought maybe i should use a proportion \n" ); document.write( "20/10 X 6/a ----= 3 ft \n" ); document.write( "LET AB BE THE LAMP POST WITH A ON GROUND AND B AT THE TOP. \n" ); document.write( "LET CD BE THE MAN WITH C...FEET ON GROUND AND D ..HEAD \n" ); document.write( "LET THE SHADOW BE CE. \n" ); document.write( "WE HAVE 2 SIMILAR TRIANGLES.ABE AND CDE. \n" ); document.write( "AB/CD=AE/CE=(AC+CE)/CE=(10+CE)/CE=1+10/CE \n" ); document.write( "WE ARE GIVEN AB=20...CD=6.......AC=10 \n" ); document.write( "20/6=1+10/CE \n" ); document.write( "10/CE=20/6 -1 =14/6=7/3 \n" ); document.write( "CE=3*10/7=30/7=SHADOW=4.285 FEET\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "thats what i got is that the correct answer? if not can you show me what is ? thanks! \n" ); document.write( " |