Question 927403
perimeter  =36
2(length+width)=36
 length+width =36/2
 length+width  =18
 possible alternatives:
length =17 width =1             area =17*1 = 17
length =16   width  = 2        area =16*2 = 32
length =15  width =3 area = 15*3 =45
length =14 width  = 4 area  = 14*4 =56
length  =13 width  =5 area  =13*5 =65
length =12 width  =6  area  =12*6 =72
length  =11 width  =7 area  =11*7 =77
length  =10  width  =8  area  =10*8 =80 
length =9 width =9 area  =9*9 =81
so maximum area = 81
dimensions = 9 x 9