Answer:
702.25 m^2
Explanation:
27 * 27 = 729
28 * 28 = 784
A number between 26.5 and 27.5 is rounded off to 27.
If the number really is just under 27.5, then since 27.5^2 = 756.25, that gives the largest the area can be.
The smallest the area can be is 26.5 m * 26.5 m which is 702.25 m^2.