Centimetres, then Milimetres, then Micrometres
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16 meters squared
8.5 meters or 8 1/2 meters
The width of the rectangle is 13 meters. The perimeter of the rectangle is 50 meters, and its length is 12 meters. The 50 meters is 2 times the length plus 2 times the width. With a length of 12 meters, twice that is 24 meters. That leaves 50 meters - 24 meters for twice the width. And 50 - 24 = 26, which is twice the width. The 26 meters divided by 2 = 13 meters, which is the width of the rectangle.
To find the area of a rectangle, you multiply its length by its width. In this case, the length is 7 meters and the width is 4 meters. Multiplying 7 by 4 gives you an area of 28 square meters. So, a rectangle that is 7 meters by 4 meters has an area of 28 square meters.
40 square meters