SOLUTION: a piece of wire 36cm long is bent to form a rectangle whose length is twice its width.calculate its area.

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Question 624700: a piece of wire 36cm long is bent to form a rectangle whose length is twice its width.calculate its area.
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi,



a piece of wire 36cm long is bent to form a rectangle whose length is twice its widthhighlight%28w%29

calculate its area.

  P+=+2%2Al+%2B+2%2Aw+=+36cm

or  l + w = 18

Question states*** l = 2w

   2w+%2B+w+=+18

      3w = 18

       w = 6cm  and l = 12cm

   A+=+6cm%2A12cm+=+72cm%5E2