Si ergo opus fuerit eum duplicare, pedum cc, item e paribus lateribus facere, quaerendum erit, quam magnum latus eius quadrati fiat, ut ex eo cc pedes duplicationibus areae respondeant.
If then it is necessary that it should be made double'of 200 feet'and also to make it of equal sides, we must inquire how long the side of that square is to be made, so that it may produce 200 feet, corresponding to the doubling of the area.
final_alignments\Vitruvius_Architecture_Book_9.json