document.write( "Question 1208866: Amy has a pen 13 cm long that she wants to send as a gift to a friend. She finds a rectangular box in which the pen just fits. The length and width of the box are 3 cm and 12 cm respectively. What is the height of the box?
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Algebra.Com's Answer #847362 by timofer(104)\"\" \"About 
You can put this solution on YOUR website!
Pythagorean Theorem, in three dimensions.
\n" ); document.write( "The pen extends between two opposite corners. You already have values for two of them and you
\n" ); document.write( "want to solve for the unknown dimension's value.\r
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\n" ); document.write( "\n" ); document.write( "\"d%5E2%2B2%5E2%2B12%5E2=13%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"d%5E2=169-4-144\"\r
\n" ); document.write( "\n" ); document.write( "\"d%5E2=169-148\"\r
\n" ); document.write( "\n" ); document.write( "\"d=sqrt%2811%29\"\r
\n" ); document.write( "\n" ); document.write( "\"d=3.32\"
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