Well, isn't that just a happy little question! To find the square footage of a rectangle, you simply multiply the length by the width. So, for a rectangle that is 40 inches by 80 inches, you would multiply 40 by 80 to get 3200 square inches. To convert that to square feet, you divide by 144 (since there are 144 square inches in a square foot), giving you approximately 22.22 square feet. Happy painting!
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44.4 square feet.
= 40 x 80 = 3200 sq feet
To find the area of a rectangle, you multiply the length by the width. In this case, 40 feet multiplied by 80 feet equals 3200 square feet. So, there are 3200 square feet in a 40' by 80' area.
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.
Now many inches are in 80 inches and 180 inches