Posted by Bernadine on Thursday, July 24, 2008 at 9:11pm.
Perimeter = 2L + 2W = 2L + 2(L-2)
= 4L - 4 = 80
L = 21
W = L-2 = 19
Perimeter=2L+2W=2L+2(L-2)
= 4L-4 =80
L = 21
W = L-2 = 19
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