Plane trigonometry, and its application to mensuration and land surveying. Accompanied with all the necessary logarithmic and trigonometric tables (1852)
Perkins, George R. (George Roberts), 1812-1876 · New York, D. Appleton · leaf 160
GEOMETRICAL SOLUTION. On both sides of the line AC, as a chord, describe segmentsof a circle, as APiEP4C, AP3DP2C, capable of containing anglesequal to 33° 45 (Geometry, B. III., Prop. XV.). … § 85.] SURVEYING. 149 Also on both sides of the line BC, as a chord, describe seg-ments, as BPjFPgC, BP4GP2C, capable of containing anglesequal to 22° 30. The points of intersection of the four arcsthus described will be the stations sought. In general, there will be four points of intersection;…
Plane trigonometry · Surveying
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