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 446
and elevation of aray making 450 and 6o° respectively with xy. 4. An equilateral triangular plate, ih side, is in a horizontal position 2 above the ground, the nearest corner A being i-|from the vertical plane, and one side making 70 with theplane. A square plate, 2 side, is also in a horizontal… … m/~... 0 \ ^ ^--— // s. / £\ K ground, and the shadow of the one on the other, the raysmaking 30° and 45 with xy in plan and elevation. 5. A square pyramid, side of base 2, height 2^, has its base on the ground, one side making 300 with xy, the nearest corner ofthe base being 1 from xy. The end E…
