Question 539535: A farmer needs to buy fencing to go around his graden . the garden is a 20 by 15 rectangle how much fencing will he need Answer by oberobic(2304) (Show Source):
You can put this solution on YOUR website! The fence will run the length of the perimeter.
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perimeter of a rectangle = 2(length + width)
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p = 2(20+15)
p = 2(35)
p = 70
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You need to know what the unit of measurement is before you buy the fence.
70 feet? 70 meters?
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Done.