Wentworth, G. A. (George Albert), 1835-1906 · Boston, Ginn & company · leaf 28
Fig. 27 Fig. 28 Fig. 29 Fig. 30 Angles between 0° and 90° are angles of Quadrant I.Angles between 90° and 180° are angles of Quadrant II.Angles between 180° and 270° are angles of Quadrant III.Angles between 270° and 360° are angles of Quadrant IV. … Fig. 31 Fig. 32 Fig. 33 If the revolving line makes another revolution (Figs. 31-34).it will describe all angles from 360° to 720°; and so on.
Trigonometry · Surveying · Navigation
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Vnderweysung der Messung : mit dem Zirkel vn[d] Richtscheyt in Linien, Ebnen vnnd gantzen Corporen (1525)](https://img.insideoutlibrary.com/img/200/ia-vnderweysungderm00drer-23-34.webp)
