June 14th, 2017, 03:48 AM  #1 
Newbie Joined: Feb 2016 From: west midlands Posts: 2 Thanks: 0  would anyone check my answer
Problem 19. An open rectangular box with square ends is fitted with an overlapping lid which covers the top and the front face. Determine the maximum volume of the box if 11m² of metal are used in its construction. Would the answer be 4/5m³? Last edited by skipjack; June 14th, 2017 at 06:47 AM. 
June 14th, 2017, 06:47 AM  #2 
Global Moderator Joined: Dec 2006 Posts: 20,926 Thanks: 2205 
Can one assume that neither of the square ends is the "top" or the "front face"?


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answer, calculus, check, differenciation, shapes, volume 
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