



 
Hi Julirose, Let the length of the rectangle be L metres and the width be W metres. Since the perimeter is 38 metres
Thus
The area A of the rectangle is given by
Use the first equation to write the area as a function of one variable W and then use calculus or your knowledge of parabolas to maximize the area. Penny  


Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences. 