document.write( "Question 881442: Wilson is 6 ft tall. When Wilson stands 6 feet from a lamppost the shadow he casts is 4 feet long. How tall is the lamppost? \r
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document.write( "I've tried to get this into an equation, using the proportion method, but cannot get the correct answer - I'm so confused. \n" );
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Algebra.Com's Answer #532228 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Wilson is 6 ft tall. \n" ); document.write( " When Wilson stands 6 feet from a lamppost the shadow he casts is 4 feet long. \n" ); document.write( " How tall is the lamppost? \n" ); document.write( ": \n" ); document.write( "I'm confused too. It does not say anything about the lamp post shadow \n" ); document.write( ": \n" ); document.write( "The man's relationship to his shadow is: 6:4 \n" ); document.write( "The relationship of the lamp post to it's shadow will be the same, however, \n" ); document.write( "we don't know it's shadow, the fact the man is 6ft from the lamp post means nothing. \n" ); document.write( ": \n" ); document.write( "One thought, if the man is standing on the end of the lamp post shadow, the it's shadow is 6ft, then we have \n" ); document.write( " \n" ); document.write( "4L = 6*6 \n" ); document.write( "4L = 36 \n" ); document.write( "L = 36/4 \n" ); document.write( "L = 9 ft is the height of the lamp post \n" ); document.write( ": \n" ); document.write( "I jut read you comment and it occurred to me that perhaps the lamp shadow and the man's shadow coincided, so the lamp shadow was actually 6 + 4 = 10 ft \n" ); document.write( "then \n" ); document.write( "L/10 = 6/4 \n" ); document.write( "4L = 60 \n" ); document.write( "L = 60/4 = 15'!! \n" ); document.write( " |