SOLUTION: A rectangle has an area of 36m squared Which dimensions will ensure that the rectangle has the minimum perimeter? 6 by 6 9 by 4 12 by 3 or 18 by 2 I dont get this please help

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Question 577501: A rectangle has an area of 36m squared
Which dimensions will ensure that the rectangle has the minimum perimeter?
6 by 6
9 by 4
12 by 3
or 18 by 2
I dont get this please help

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
A rectangle has an area of 36m squared
Which dimensions will ensure that the rectangle has the minimum perimeter?
6 by 6
9 by 4
12 by 3
or 18 by 2
--------------
P = 2*(L + W)
2*(6+6) = 24
2*(9+4) = 26
2*(12+3) = 30
------------
6 by 6 is smallest, and it is the minimum.

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