SOLUTION: a rectangle has a length of 28cm and a perimeter of 84 cm. find the width.

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Question 845546: a rectangle has a length of 28cm and a perimeter of 84 cm. find the width.
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi,



P = 2%2AL%2B+2%2AW+=+84cm  0r     L + W = 42cm,      W = 42cm-28cm = 14cm