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To calculate the perimeter of a rectangle, you need to add together the length of each side of the rectangle. For a rectangle that is 11cm x 4cm, you would add these numbers together, then multiply it by 2 (this is because there are two sides that are 11cm and two sides that are 4cm). Thus: (11+4) x 2 = 30cm.

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โˆ™ 2012-07-19 05:30:50
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Q: What is the perimeter of a rectangle with length of 11 cm and with of 4 cm?
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