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Would like to calculate the dimensions of a rectangular pool with a perimeter of 55 meters using decimals only

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paulgbrandon

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Let's break down the question to its components.

It is a rectangular pool. It has four sides, with a length and width and the angles in corners being 90 degrees.

Let l be the length of the pool.
Let w be the width of the pool.

The perimeter of the pool is l + l + w + w or 2l + 2w

So 2l + 2w = 55 metres

You could make up a table for all the possible values, starting with a width of 1. 2(1) + 2w = 55
2 + 2w = 55
2w = 53
w = 53 /2

Good luck,

Paul

Posted on Feb 09, 2017

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