This question cannot be answered sensibly. A square foot is a measure of area, with dimensions [L2]. An inch is a measure of distance, with dimensions [L]. Basic dimensional analysis teaches that you cannot convert between measures with different dimensions such as these without additional information.
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1 square foot = 144 square inches. 3/4 square foot = 108 square inches.
144 inches in one square foot. Since it is a square foot you would take 12 inches time 12 inches to get 144.
An inch is a unit of distance. A square foot is a unit of area. The two units are therefore incompatible.144 square inches = 1 square foot1 foot=12 inches. therefore, 1 foot square=12 inches square. =12*12 inches. =144 inches square.An inch is a unit of distance. A square foot is a unit of area. The two units are therefore incompatible.
Think through the question. You know how many inches are in one foot. You know the concept of a square - so one square foot has 12 inches on each side. Now you know how many square inches in a square foot, and in the case of your desk, there are 2 and one half of them. Sum them and what is your answer?
There are 12 inches in a foot, and there are 12 x 12 square inches in a square foot. Lock that idea in. One square foot equals 12 x 12 square inches. That's 144 square inches in one square foot. An area of 155 square feet contains 144 x 155 square inches, or 22,320 square inches.