Question

what are the dimensions of the largest rectangular field that can be enclosed with 60m of wire?

Answer 1

let length be x and breadth be y ...
Perimeter =60 m
2(x+y)=60
x=30-y ...i
Now,
Area of a rectangle =x*y
A=(30-y)*y
A=30y-y^2

Answer 2

Now, u need to find the value of y for which A is maximum. can u?

Answer 3

@vianca22 Did u get up to what I did?