Answers

2016-07-21T12:51:53+08:00
P=2L+2W;
L+w=P/2;

P=64meters;
L+W=32:
L=32-W........1.)
LW=240;......2.)
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(32-W)(W)=240:
32W-W^2=240:

W^2-32w+240=0;
W-12)(W-20)=0;
w=12; w=20

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