document.write( "Question 313514: You build a box that is 4 feet long, 5 feet wide, and 8 feet high. The distance from the top left front corner to the top right back corner is ____ feet.
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Algebra.Com's Answer #224179 by mananth(16946)\"\" \"About 
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the base is 4 feet by 5 feet.
\n" ); document.write( "the diagonal of the base has to be worked out.
\n" ); document.write( "using pythagoras theorem
\n" ); document.write( "4^2+5^2= diagonal ^
\n" ); document.write( "25+16=diagonal^2
\n" ); document.write( "sqrt39 = diagonal
\n" ); document.write( "..
\n" ); document.write( "the base diagonal, The distance from the bottom left front corner to the top right back corner, and the height form a right triangle.\r
\n" ); document.write( "\n" ); document.write( "sqrt((sqrt39)^2+8^2))= the required length
\n" ); document.write( "sqrt(39+64)
\n" ); document.write( "= sqrt (103)
\n" ); document.write( "=10.15 feet both will be same
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