Question 70857
R1=20*30 2*20+2*30=40=60=100 FOR A PERIMETER. AREA=20*30=600 FEET^2.
R2=10*40 2*10+2*40=20+80=100 FOR A PERIMETER. AREA=10*40=400 FEET^2.
R3=25*25 2*25+2*25=50+50=100 FOR A PERIMETER. AREA=25^25=625 FEET^2.
A SQUARE IS ALWAYS THE MAXIMUM AREA FOR A RECTANGLE.