To find the square footage of a rectangle, you multiply the length by the width. In this case, 30 feet multiplied by 40 feet equals 1200 square feet. Therefore, there are 1200 square feet in a 30'x40' area.
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1200 sq.ft. 30x40=1200
2178 square feet.2178 square feet.2178 square feet.2178 square feet.
3.472 square feet.
784 square feet
There are 43560 square feet.