a person plans to use 80feet of fencing to enclose a rectangular garden. what dimensions of the rectangle would give the maximum area? what area?
i got 20 for the width, length 20 and 800square feet but in the back of the book its 400, i dont know what i did wrong... help

Question

a person plans to use 80feet of fencing to enclose a rectangular garden. what dimensions of the rectangle would give the maximum area? what area?
i got 20 for the width, length 20 and 800square feet but in the back of the book its 400, i dont know what i did wrong... help

hartnn · Answer

area = product of sides = 20*20=400

hartnn · Answer

how did u get 800 ?

anonymous · Answer

i saw what i did wrong, its just that the teacher showed us a step to use and apparently

hartnn · Answer

so, do u have any more doubts regarding this problem ?

anonymous · Answer

no i dont thank you so much

hartnn · Answer

ok ,welcome ^_^