"Dodecagon" Quotes from Famous Books
 ... Frontenac himself, and with wonderful sagacity, if we consider the times. Take, for example, the towers. You are acquainted, of course, with the modern rule of giving the bastions a salient angle of fifteen degrees in excess of half the angle of the figure in all figures from the square up to the dodecagon? Well, Fort Amitie being a square—or rather a right-angled quadrilateral—the half of its angle will be forty-five degrees; add fifteen, and we get sixty; which is as nearly as possible the salience of our flanking towers; ...
— Fort Amity • Arthur Thomas Quiller-Couch |
