44.4 square feet.
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Now many inches are in 80 inches and 180 inches
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!
80 acres = 3,484,800 square feet
You have to multiply the two numbers to get the square footage. In this problem the results will be 6,400 square feet.
400 square feet.