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18 meters

The perimeter (distance around the outside) = length + width + length + width

P = 2L + 2W

2 (5) + 2 (4) = 18

also:

P = 2 (L + W)

2(5 + 4) = 18

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Q: What is the perimeter of a rectangle 5m by 4m?
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Discuss how to find the perimeter and area of a rectangle with a length of 4m and a width of 5m What formulas would you use?

Rectangles are really simple. The perimeter is twice the length plus twice the width (in this case 4m x 2 = 8m, 5m x 2 = 10m, and 8m + 10m = 18m). The area is simply the length times the width (in this case, 4m x 5m = 20m2).


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Oh, dude, you're hitting me with some math lingo! So, if a rectangle has dimensions 5m by 3m, its perimeter would be 16m (2x5 + 2x3). To find another rectangle with the same perimeter, you could have dimensions like 4m by 4m (2x4 + 2x4 = 16m). It's all about balancing those sides, like a seesaw, man.


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