A farmer plans to fence a rectengular pasture adjacent to a river. The pasture must contain 245,000 square meters to provide enough grass for the herd, What dimensions will require the least amount of fencing if no fencing is needed along the river. (Calc, Optimization)

Question

anonymous · Answer

L *  w = 245,000 m²
->  L = 245,000 / w
Fence: 2 w + L
       f  = 2w + 245,000 / w
 Let f' = 0 to obtain minimum amount of fence needed:
@Fey Can you continue?

anonymous · Answer

I need a few minutes to process this x)

anonymous · Answer

Okie, as long as I know you're following :)

anonymous · Answer

Why is L 245,000 and what does w mean?

anonymous · Answer

oh! Nevermind got it!