The shaded area in the square, out of 100 boxes, is
as a fraction, 0.89 as a decimal, and 89% as a percentage.
To express the shaded area as a fraction, divide the number of shaded boxes by the total number of boxes:
Fraction:

To express as a decimal, divide the number of shaded boxes by the total:
Decimal: 0.89
To express as a percentage, multiply the decimal by 100:
Percentage: 89%
Therefore, the shaded area is
or 0.89 or 89%.
Out of 100 boxes in the square, 89 are shaded. This represents 89/100 as a fraction, 0.89 as a decimal, and 89% as a percentage of the whole. The fraction signifies the ratio of shaded to total boxes, the decimal expresses the proportion, and the percentage represents the value out of 100.