Practical plane and solid geometry for advanced students, including graphic statics, adapted to the requirements of the South Kensington syllabus (1899)
Harrison, Joseph, Baxandall, George Albert · London Macmillan · leaf 200
se angleAOa of the right-angled triangle AOa. The inclination of OA to thefront, vertical plane YZ is the base angle AOa of the right-angledtriangle AOa. (d) To find the angles which OA makes with the axes.The inclination of OA to the vertical axis OZ is the vertical angle A On of the right-angled… … ft a / / /; 77b z ru 0 Y I X c v * i X Examules.—1. The x, v, s co-ordinates of a point A are respec-tively 3, 4, and 2. (a) Draw the three projections of A, viz. a, a, and a. (b) Draw the three projections of OA, and measure their lengths. A)is. 4.47, 3.O1, 5 on the planes of YZ,ZX, X V…
