3 square metres
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The perimeter of a shape is the total distance around its outer boundary. For a rectangle with sides of 9 meters and 4 meters, the perimeter would be calculated as P = 2(9) + 2(4) = 18 + 8 = 26 meters. The area of a shape is the total space enclosed within its boundaries. For the same rectangle, the area would be calculated as A = 9 * 4 = 36 square meters.
Not at all. For example:A square of 2 x 2 will have a perimeter of 8, and an area of 4. A rectangle of 3 x 1 will also have a perimeter of 8, and an area of 3.A "rectangle" of 4 x 0 will also have a perimeter of 8, but the area has shrunk down to zero. The circle has the largest area for a given perimeter/circumference.
40 square meters
The rectangle would have a width of 2 and a length of 4.
you do 9 meters long x 8 meters wide= 72cm3 [ cm3 = area of something ].