Question

Cathy has 16 meters of fencing to make a rectangular pen for some rabbits what dimensions will give the maximum area?

Answer 1

the max occurs when length=width

so
perimiter=16
and L=W
P=2(L+W)
16=2(L+L)
16=2(2L)
16=4L
4=L

the dimentions are length and width are 4 meters
aera will be 16 square meters