SOLUTION: the length of the poster is 3.5 feet and the perimeter of the poster is 11.2 feet. what is the width of the poster? what is the area of the poster?
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Question 814138: the length of the poster is 3.5 feet and the perimeter of the poster is 11.2 feet. what is the width of the poster? what is the area of the poster? Answer by TimothyLamb(4379) (Show Source):
You can put this solution on YOUR website! L = 3.5
2L + 2w = 11.2
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2L + 2w = 11.2
2(3.5) + 2w = 11.2
7 + 2w = 11.2
2w = 4.2
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w = 2.1 ft
L = 3.5 ft
a = Lw = 7.35 sq.ft.
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