A rancher plans to make four identical and adjacent rectangular pens against a​ barn, each with an area of 225 m2. What are the dimensions of each pen that minimize the amount of fence that must be​ used? To minimize the amount of fence that must be​ used, each of the sides perpendicular to the barn should be ___ m long and each of the sides parallel to the barn should be ___m long.

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter8: Areas Of Polygons And Circles
Section8.2: Perimeter And Area Of Polygons
Problem 31E: Mary Frances has a rectangular garden plot that encloses an area of 48 yd2. If 28 yd of fencing are...
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A rancher plans to make four identical and adjacent rectangular pens against a​ barn, each with an area of 225 m2. What are the dimensions of each pen that minimize the amount of fence that must be​ used?

To minimize the amount of fence that must be​ used, each of the sides perpendicular to the barn should be ___ m long and each of the sides parallel to the barn should be ___m long.

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