Ok, dimension are AxB, perimeter is 2A+B
area= AB
but B= Perimeter-2A
area= A(perimeter-2A)
dArea/dA= perimeter-2A+ A(-2)=0
A= perimeter/4
solve for B
Nick has enough wire to construct a 100m of fence. he wish to use it to form three sides of a rectangular garden,one side is along his building.
1)What dimensions should be choose in order to enclose the largest possible area?
2)Verify the result thus obtained by graphical illustration.
1 answer