Posted by Please help on Thursday, September 15, 2011 at 8:53pm.
P = 2(L + W)
Half of 30 is 15.
Take it from there.
perimeter is adding up all sides so x equals the width and 2x equals the length. x+x+2x+2x=30. so 6x=30, divide 30 by 6= 5, so x=5 which is the width and 2x=10 which is the length.
I don't get what l and w would be
P = 2(L + W)
30 = 2 (2W + W)
30 = 4W + 2W
30 = 6W
30/6 = W
5 = W
Now find the length.
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