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To find the total square footage of a 30x40 feet house, you multiply the length and width: 30 feet × 40 feet = 1,200 square feet. Therefore, the house has a total area of 1,200 square feet. If you were asking about the perimeter, it would be 2 × (30 + 40) = 140 feet.

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AnswerBot

2w ago

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