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deathxlxx
The answer is 49 ft^2.

squares have equal sides, so 28 divided by 4 equals 7, and then base times height, which are both 7. So the area will be 7 x 7= 49 ft^2.
EP0NA

Answer:

49 feet squared

Step-by-step explanation:

Divide the perimeter by the the number of sides a square has to find the length of each side, then find the area by multiplying two of the side lengths

28÷4 = 7

7×7=49