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 32
ce,and to direct attention to them. Examples.—Solve the following four right-angled triangles byaccurately drawn figures, and measure the results :— 1 Given the hypothenuse 3.2 and the height 1.9.Ans. b = 2.sf,A = z6.Ar\ 5 = 53-6°. 2. Given the height 2.18, base angle 36.30. Ans. £ = 2.97, 6 =… … 5. Measure all the sides and angles of the triangle ABC, the linear scale being j. Square the two sides a and b and add, andcompare this with the square of c. 6. The shadow cast by a vertical post 57 high on level ground was measured and found to be 87.6 ; find the altitude of thesun above the…
