If the given dimensions are in feet then 80 times 70 = 5600 square feet
It is 40,000 square feet.
280 square feet.
220 square feet
10,763.9 square feet.
1,205.56 square feet.
There are nine square feet in one square yard.
50 square feet = ~4.65 m2
1 (square meter) = 10.7639104 square feet.
1,620 square feet.
150 square feet
1,350 square feet.
1.07474093 × 1014 square feet