To calculate the area in square feet, you need to multiply the two dimensions in feet. In this case, 40 feet multiplied by 80 feet equals 3200 square feet.
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= 40 x 80 = 3200 sq feet
There are 9 sq ft in a sq yard so 80 sq ft / 9 = 8.8888 sq yards.
40 Sq m = 40 / (0.3048 x 0.3048) sq feet
7,000 / 80 = 87.5There's room for 87 people, with 40 square feet left over.
Multiply 8 X 5 = 40 80 X 50 = 4,000 Sq Ft Multiply 80 and 50 to get 4000 square feet