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What is the area of a rectangle with a length of 12 meters and a width of 4 meters?

  1. 8 m

  2. 12 m

  3. 16 m

  4. 24 m

The correct answer is: 24 m

A rectangle's area is calculated by multiplying its length by its width. Therefore, the area of a rectangle with length 12 meters and width 4 meters would be 12 x 4 = 48 square meters. Option A of 8 m would be the perimeter of the rectangle, which is the measurement around the outside of the shape. Option B of 12 m is incorrect because it is the measurement of the length, not the area. Option C of 16 m is also incorrect because it is the product of the length and width in reverse order, so it would result in the area of a rectangle with a length of 4 meters and a width of 12 meters. Therefore, the only correct answer is D, 24 m.