Mellificium mensionis, or, The marrow of measuring : wherein a new and ready way is shewn how to measure glazing, painting, plaistering, masonry, joyners, carpenters, and bricklayers works : as also the measuring of land, and all other superficies, and solids, by vulgar arithmetick, without reducing the integers into the least denomination, giving the content of any superficie or solid, consisting of feet, inches, and parts of inches, in a fourth part of the time and labour required by the usual way in vulgar arithmetick : together with some choice principles and problems of geometry conducing thereto : to which is added, an appendix, left under the author's own hand, the contents of which, see in the next page : illustrated with copper cuts the like not heretofore published ... (1727)
Mandey, Venterus, Hobbes, Thomas, 1588-1679, Tebb, Thomas, King, Thomas, Illidge, Samuel, White, Robert, 1645-1703 · London : Printed for Tho. Tebb ... Sam. Illidge ... and Tho. King ... · leaf 34
fided Figures, are thofe which are contained within three right Lines, and are called Triangles 3 becaufe three Lines being joined together at Angles, conftitute three Angles. XI II. Of three-fided Figures, that which hath three equal Sides, is called an Equilateral Triangle, as the Triangle ABC.… … A C c5 EE XVI. There are alfo other Triangles, and are named according to the Quality of their Angles. A right angled Triangle, is that which hath one right Angle, as the Triangle A. An Ambligonium, or obt ufe-angled Triangle, is that which hath one Angle obtufe, as the Triangle B. An Oxigonium, or…
Measurement · Geometry
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