A, B and C are three triangulation stations whose positions were determined by the angle measured at station B to A and C, respectively. The distance BC was measured to be 1200 m long and CD is 965 m long. The azimuth of C from B is 140° and that of A from B is 286°30’. A sounding at F (south of three stations) was taken from a boat and the angle BFA and BFC were measured simutaneously by two sextants from the boat to the three stations ABC as 22°30’ and 28°15’, respectively. How far is F from B?
A, B and C are three triangulation stations whose positions were determined by the angle measured at station B to A and C, respectively. The distance BC was measured to be 1200 m long and CD is 965 m long. The azimuth of C from B is 140° and that of A from B is 286°30’. A sounding at F (south of three stations) was taken from a boat and the angle BFA and BFC were measured simutaneously by two sextants from the boat to the three stations ABC as 22°30’ and 28°15’, respectively. How far is F from B?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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1 - A, B and C are three triangulation stations whose positions were determined by the angle measured at station B to A and C, respectively. The distance BC was measured to be 1200 m long and CD is 965 m long. The azimuth of C from B is 140° and that of A from B is 286°30’. A sounding at F (south of three stations) was taken from a boat and the angle BFA and BFC were measured simutaneously by two sextants from the boat to the three stations ABC as 22°30’ and 28°15’, respectively. How far is F from B?
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