document.write( "Question 1100014: Amy has a pen 15 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 5cm and 14cm respectively. What is the height of the box? \n" ); document.write( "
Algebra.Com's Answer #714500 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! It helps to draw this \n" ); document.write( "The diagonal of the floor of the box is the sqrt (5^2+14^2)=sqrt (221) \n" ); document.write( "That hypotenuse becomes the leg of a triangle whose other leg is the unknown height and the diagonal is the pen itself. \n" ); document.write( "so sqrt(221)^2+h^2=15^2 \n" ); document.write( "221+h^2=225 \n" ); document.write( "h=2 cm. \n" ); document.write( " |