Posted by jack on Friday, January 20, 2012 at 10:30am.
P = 2L + 2W
A = LW
width - 2 cm: length + length = 8 cm there are 4 cm left, 4 divided by 2 = 2
area - 8 like ms.sue said
area = length x width,
perimeter= 2length x 2width
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