One square foot contains how many square inches?

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Multiple Choice

One square foot contains how many square inches?

Explanation:
Understanding area in square units: one foot equals 12 inches, so a one-foot by one-foot square has sides of 12 inches. The area of a square is side length squared, so 12 inches times 12 inches gives 144 square inches. Therefore, one square foot contains 144 square inches. The other numbers come from different side lengths (for example, 10 by 10 inches is 100 square inches, 12 by 10 inches is 120, and 8 by 16 inches is 128), but they do not describe a square foot.

Understanding area in square units: one foot equals 12 inches, so a one-foot by one-foot square has sides of 12 inches. The area of a square is side length squared, so 12 inches times 12 inches gives 144 square inches. Therefore, one square foot contains 144 square inches. The other numbers come from different side lengths (for example, 10 by 10 inches is 100 square inches, 12 by 10 inches is 120, and 8 by 16 inches is 128), but they do not describe a square foot.

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