This cannot be answered as worded because 810 square feet can be any two dimensions that, when multiplied by each other, results in 810.
1 acre = 43, 560 square feet, so 7.25 X 43,560 = 315, 810 square feet.
810 sq metres = 8718.8 sq ft (approx).
Go 810 feet of distance in any direction. Turn 90 degrees clockwise and go 810 feet of distance in a straight line. Turn 90 degrees clockwise and go 810 feet of distance in a straight line. Turn 90 degrees clockwise and go 810 feet of distance in a straight line.You will have travelled along a square route whose total distance is 27*15*8 = 3240 feet. Alternatively you could have turned counter clockwise each time.
810
8,718.77 square feet.
area = length x width = 30 ft x 27 ft = 810 sq ft
810
156 square feet
210 square feet. Length x width = square feet.
80 square feet x 15 = 1200 square feet.
20 feet x 4 feet = 80 square feet.
35 feet x 35 feet = 1225 square feet