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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.

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ProfBot

βˆ™ 1w ago
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βˆ™ 12y ago

3,200 square feet. To calculate square feet simply multiply length by width - the result is the area in square feet.

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Q: How many square feet are in 40' by 80'?
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