40 acres. Mutiply 1320 x 1320, then divide by 43560 (number of sq ft in one acre)
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To convert feet to acres: 900'x450' = 405,000 sq ft. 1 acre = 43,560 sq ft. Therefore, 405,000 sq ft is approximately 9.29 acres.
1 acre = 43560 sq ft
1 sq ft = 1/43560 acre
132ft x 132ft = 16236 sq ft
= 16236 / 43560 acre
= 41/110 acre
~= 0.373 acre.