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 286
d inclined 630. Findthe angle contained by these two planes. Determine also theperpendicular distance between xy and the intersection of thetwo planes. 13. The traces vt, th of an oblique plane make 300 and 50° with xy. Take a point a 1 from ht and 2 from xy ; this is theplan of a point A 2^ above… … 272 PRACTICAL SOLID GEOMETRY chaf. *14. ad is the plan of a line in a plane whose traces are ab, be. Oneside of an equilateral triangle of 1.5 side lies along ad, oneextremity at a. The plane of the triangle is inclined at 400 tothe horizontal plane. Draw the projections of the triangle. (1895)…