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To find an area of a rectangle, take the length and width and multiply the two together. In your case the length is 4, the width is 2, find the product... so 4 x 2 = 8. Thus the area of the rectangle is 8 units squared. It's perimeter is 12, which means 2l x 2w or 2(length) x 2(width) = 2(4) x 2(2) = 12.

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Q: What is the area of a 4x2 rectangle if it's perimeter is 12?
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