Area = 22*9 = 198 square feet
Perimeter = 22+22+9+9 = 62 feet
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Perimeter = 12+12+16+16 = 56 feet Area = 12*16 = 192 square feet
36 ft squared
Area = 3*45 = 135 square feet. Perimeter = 2*(3 + 45) = 2*48 = 96 feet.
As area is 12 square feet, each side must be 3.464 feet long (3.464 X 3.464 = 12). So the perimeter is 4 times that - 4 x 3.464 = 13.856
If the area is a rectangle then the perimeter in feet is: 2.5+7+2.5+7 = 19 feet, since 84 inches is the same as 7 feet.