Answers

2014-02-20T18:34:35+08:00
30cm X 25cm = 750cm (square)
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2014-02-20T22:15:37+08:00
Probably this is a rectangle. Formula for a rectangle is 2l + 2w.
Therefore, your solution is 2(30cm) + 2(25cm).
Now your answer is, 110cm.
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