<PRE><B>Question 271147</B>
A BOX MEASURES 40CM*50CM*45CM .FIND THE AREA OF THE CARD BOARD REQUIRED TO MAKE 350BOXES


the area of one surface is 40 * 45

The area of the adjacent surface is 45* 50 

In a rectangle or square there are 8 faces . 

4*40*45 + 4*45*50 

= 7200 + 9000 = 16200 sq. cms

For 350 boxes the area required will be 350 * 16200= 5,670,000 square cms.


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