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In Tiling, Flooring, Roofing, and Partitioning∣work, Carpenters, and other Workmen, reckon by the Square, which is 10 Feet every way; so that a Square containeth 100 Feet: Exam∣ple.
There is a Roof 14 Feet broad, what length thereof shall make a Square? Divide 100 by 14, it yields 7 1/7 Feet.
Now if you have any Number of Feet gi∣ven, and the Number of Squares therein contai∣ned are required, divide that Number by 100, the product is Squares.