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 139
2 8-22 13-96 13-96 39-21 78-42 59-3377 208-813659-3377 This area is merely a trifle too large. 2)149-4759Area, sq. chains 7473795 PROBLEM II. The direction of a line being giv-en, to find its position so that itmay cut off a given area from agiven field. Suppose the field to be the sameas in last… … § 83.] SURVEYING. 129 From the bearings of the lines we deduce (§ 69) the followingangles: KCD = 61° 30 LCD = 118° 30 KDC = 65° 15 LDC = 6° 30 CKD = 53° 15 CLD = 55° 0 180° 180° Triangle KCD gives sin. 53° 15 : sin. 61° 30 : : 5*03 : KD == 5-5169,sin. 53° 15 : sin. 65° 15 : : 5*03 : KC = 5*701. ar.…
Plane trigonometry · Surveying
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-468-290.webp)
