Answers

2016-08-01T19:40:40+08:00
Finding the length and width; A=lw=54........a l+w=30/2 l=15-w............b (15-w)(w)=54; 15w-w^2=54; w^2-15w+54=0 (w-6)(w-9)=0; w1=6 w2=9; l1=9; l2=6
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