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| Subject:
math-building a deck around a cottage
Category: Reference, Education and News > Homework Help Asked by: chimes728-ga List Price: $3.00 |
Posted:
13 Oct 2004 19:43 PDT
Expires: 12 Nov 2004 18:43 PST Question ID: 414550 |
A railing is to be constructed around the four outer edges of the deck. If AB=DE,BC=CD and the length of the railing is 30 meters, then what dimensions will give the maximum area? |
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| Subject:
Re: math-building a deck around a cottage
From: jack_of_few_trades-ga on 14 Oct 2004 08:44 PDT |
To maximise area with 4 straight lines you want a squarre. So if possible, the deck should make a perfect squarre around the outside of the cottage (the rails will be 7.5M X 7.5M). This is possible only if the cottage is not longer nor wider than 7.5M. If the cottage is longer or wider, then the answer becomes: Make the deck as close to being a squarre as possible.... If for example the cottage is 10M X 2M, then the railings will be 10M X 5M (or 10M 1CM X 4M 99CM to stay true to the questions that the deck must be around the house and not just the railing) |
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