The area of the 7 x 8 rectangle is 56 square units, while the area of the square with a side length of 7.5 is 56.25 square units. Therefore, the square has a greater area than the rectangle. In summary, the square with side length 7.5 has a slightly larger area compared to the rectangle.
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Area of rectangle = 7 × 8 = 56
Area of square = 7.5² = 56.25
The square has the greater area. ;